Answer:
induced-dipole induced dipole forces.
Explanation:
Please help me
What will oxygen likely do to complete its outermost shell, based on the Lewis dot diagram shown?
accept electrons
accept some electrons and give up other electrons
move electrons from the inner shell to the outer shell
give up electrons
Answer:
A. Accept electrons
Explanation:
The octet rule states that 8 electrons stabilizes a molecule. This means that oxygen will try to fill the two empty spots with electrons from other molecules. The Lewis Dot diagram shows these two empty spots with the empty circles at the bottom.
Lewis dot structures, also known as electron dot structures, are schematics that show the interatomic chemical bonds in a molecule. Additionally, they show how many lone pairs there are overall in each of the atoms that make up the molecule. Here 'O' accepts electrons. The correct option is A.
The electrical structures of the elements, especially the electron pairings, are reflected in the Lewis dot structures. Lewis structures can be viewed as "electron bookkeeping" and are a helpful approach to condensing some bonding-related information. Each dot in a Lewis dot structure corresponds to 1 electron.
Group 6 member oxygen still requires two additional electrons to complete its outer shell and remain stable. According to the octet rule, an object needs 8 valence electrons in the outer shell to be stable.
Thus the correct option is A.
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What happens when A mixture of ammonia and oxygen is passed over platinum gauze heated to 800°C .
Answer:
The mixture forms nitrogen oxide and water upon reaction. However, 800 degree Celsius falls at higher limit of the process condition. It being an exothermic reaction, the reaction rate will be on the lower side than average.
PLEASE HELP ASAP I EILL GIVE 100 POINTS!!! Kristy is on the track team. She runs the one kilometer race by going four times around the circular track. How does Kristy velocity change.
A. Her velocity changes countinually since her direction constantly changes
B. Her velocity depends on only on how she paces herself during the race
C. Her velocity is the same as her speed
D. Her speed changes at the same rate as velocity
Answer:A
Explanation:
How does more greenhouse gases in the Earth's atmosphere affect earth's temperature?
Explanation:
Greenhouse gasses in Earth's atmosphere affect Earth's temperature by making it hotter. Greenhouse gasses make the Earth warmer by trapping heat. You can think of greenhouse gasses as Earth's blanket.
Answer:
It effects the earth when we have more greenhouse gasses in the earth's atmosphere because it makes the earth more warmer which will cause more sunlight to hit earth because there is more heat near the earth's surface, and this will cause the temperatures to rise really high because of the heat.
Hope this helps!
Water vapor particles are most likely to phase change into liquid particles If the vapor particles come into contact with:
a cold surface
Ono surface
a warm surface
O any surface at all - the temperature of the surface does not matter
Answer:
A cold surface I think.
Explanation:
1000 cm3 of Helium has a mass of 178.5 grams. What is the density of Helium gas?
Answer:
The answer is 0.18 g/cm³Explanation:
The density of a substance can be found by using the formula
[tex]density = \frac{mass}{volume} \\ [/tex]
From the question we have
[tex]density = \frac{178.5}{1000} \\ = 0.1785[/tex]
We have the final answer as
0.18 g/cm³Hope this helps you
do you think the mass of the products after the chemical reaction would be greater than, less than, or the same as the mass of the reactants before the chemical reaction?
It will be the same, as explained by conservation of mass.
hope this helped!
Which chemical equation below is balanced to follow the Law of Conservation of Mass?
H2 + Cl2 + HCl
o 2 H2 + Cl2 + 3 HCI
2 H2 + 2Cl2 → 2 HCI
H2 + Cl2 → 2 HCI
Answer:
Balanced Equation
H₂ + Cl₂ → 2HCI
Answer:
Balanced Equation
H₂ + Cl₂ → 2HCI
Explanation:
i did it and 100%
The ocean both absorbs and releases heat more slowly than land does
True or false.
What is the formula for the compound formed when aluminum ions (Al3+) and chlorine ions (Cl-) unite?
A)AlCl
B)Al2Cl
C)AlCl2
D)AlCl3
What types of elements- metals,
nonmetals, or metalloids require
the most energy to remove an
electron?
Why do these elements have a higher ionization energy?
Answer:
Noble gases
Explanation:
The noble gases are non-metals that requires the highest amount of energy to remove an electron from their shells.
The reason for this difficult is that their electronic configuration confers a stable configuration them.
The ionization energy is the energy required to remove the most loosely held electrons in an atom. Due to the special stability of noble gases, it is very difficult to remove electrons from an atom of noble gases.state the iupac name for CH₃(CH2)₃C(CH₃)₃
Answer:
CH3CH2COCl consists of three carbon atoms in the parent chain and chloroformyl group(-COCl). Therefore the name of the compound is Propanoyl chloride.
Someone help me please i’ll give brainly
Answer:
Ionization
Melting
Vaporization
Explanation:
▶Ioniztion changes the charge of an electron, this usually happens between a chemical reaction. It takes a small amount of energy. Most of the time energy is absorbed instead of expelled!
▶ Melting changes the shape of the item and takes about 334 Joules/gram of energy.
▶ Vaporization changes the state of matter that the item is in and requires 2260 Joules/gram.
Brainliest is much appreciated! Hope I helped!
A substance X reacts with ammonium nitrate to produce a gas that turns damp red litmus paper blue. X must therefore be:
a) A salt
b) A catalyst
c) An alkali
d) An acid
Answer:
option C is correct
Explanation:
litmus paper turns red in acidic solution and turns blue in alkaline solution and turns purple in neutral solution
Is PH3 polar or nonpolar
Phosphine is an example of a polar molecule with non-polar bonds
what are cons of viruses ?????? oh dont mind this i jus gotta get this out of my head dont stop pop tht pop tht mhm jus like tht mhm shake it shake it mhm work it work it!!!!!!!!!!!
Answer:
Viruses can weaken your immune system. They make you sick. Some could even cause death.
Explanation:
I hope this helped I heard that song I forgot the name lol
Help plz!!!!!!!!!! Urgent
Answer:
Explanation:
10^-2
Which explains how to balance the equation ZnSO4 + Li2CO -> ZnCO3 + Li2SO4 ?
A. One reactant and one product needs the coefficient 2.
B. The products both need a 3 coefficient.
C. The reactants both need a 2 coefficient.
D. Atoms in the equation are already balanced.
Explanation:
Atoms in the equation are already in balance.
Answer:
it is d, got it right on EDG
Explanation:
What is happening in this picture?
Answer:
in first picture pressure is low and in second picture the pressure is high
2ans in first picture air is
less amount
in second picture air is high amount
2. Atoms of 160, 170, and 180 have the same number of
Have the same number of protons but a different number of neutrons
Further explanationThe elements in nature have several types of isotopes
Isotopes are atoms whose no-atom has the same number of protons while still having a different number of neutrons.
So Isotopes are elements that have the same Atomic Number (Proton)
SO the Three Common Isotopes Of Oxygen :
₈¹⁶O, ₈¹⁷O, and ₈¹⁸O have :
1. The same number of protons = atomic number = 8
2. Have a different number of neutrons :(neutrons= mass number-atomic number)
₈¹⁶O : neutron = 16-8=8
₈¹⁷O : neutron = 17-8=9
₈¹⁸O : neutron = 18-8=10
2. The energy of motion is called
energy.
A. potential
B. electrical
C. chemical
D. kinetic
Answer:
Kinetic energy
Explanation:
Are these correct?? Help please
Atoms of two different elements must have different
Answer:
Atoms of two different elements must have different atomic numbers.
Explanation:
What did the Curies demonstrate by studying pitchblende?
A- Uranium is not the only radioactive element.
B- All elements are potentially radioactive.
C-Radium can cause anemia, bone and tissue damage, and death.
D-Uranium salts emit something that can expose photographic film.
Answer:
A- Uranium is not only the radioactive element
what is the conclusion of Rutherford atomic model?
Balancing Chemical Equations method3- the algebraic method
Answer:
Write a different letter coefficient in front of each compound in the equation. Write algebraic expressions or rules for each element that equate its atoms on the LHS and RHS. Substitute the values into the other rules to obtain the balancing coefficients
Explanation:
CHEM ASSIGNMENT!!
PLEASE HELP
Answer:
Explanation:
q=mcat
q= 50g(4.184)(100-100)
q = 0
In geotropism, give examples of a positive and a negative response in a seedling?
Answer:
I don't know that question answer because I am in 7 class so mind it
Answer:
Positive Geotropism means growth of the plants towards the Gravitational force. e.g.It means When a plant's root grows towards Gravitational force . It is positive geotropism. Negative Geotropism means growth of the plant against the Gravitational force. e.g. When a plant's steam grows towards sunlight.
Explanation:
method used to separate ethanol from propanol
You
2. An all natural mosquito repellent
is trying to make its way into the
market. One arm is sprayed with the
repellent and one arm is not sprayed
with anything. After 3 hours, the
number of mosquito bites is counted. What is the control group
Answer:
The arm that was not sprayed with anything
Explanation:
The control group would be the arm that was not sprayed with anything.
The control group during an experiment is a group that forms the baseline for comparison in other to determine the effects of a treatment. The control group does not include the variable that is being tested and as such, it provides the benchmark to measure the effects of the tested variable on the other group - the experimental group. In this case, the experimental group would be the arm that was sprayed with the repellent.