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2 years ago

Rate at which a chemical substance tends to undergo a chemical reaction

Chemistry

2 answers:

kifflom [539]2 years ago

6 0

Reactivity is the name your looking for I believe.

MrMuchimi2 years ago

3 0

<span>Reactivity is your answer cuz i know it</span>

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Why do atoms become anion and cations (remember the octet rule and how 8 is a very important number)?

Kryger [21]

Answer:

The atoms become cations because they have lost electrons and the atoms and has a positive charge then atoms become a ions because they have gained electrons from cations and has a negative charge

8 0

2 years ago

1. Calculate the energy of a photon with a frequency of 3x1015 Hz.<br> ?????

Afina-wow [57]

Answer:

1.99 x 10⁻¹⁸J

Explanation:

Given parameters:

Frequency of the wave = 3 x 10¹⁵Hz

Unknown:

Energy of the photon = ?

Solution:

To solve this problem, we use the expression below;

E = hf

Where E is the energy, h is the Planck's constant and f is the frequency

Now insert the parameters and solve for E;

E = 6.63 x 10⁻³⁴ x 3 x 10¹⁵ = 19.9 x 10⁻¹⁹J or 1.99 x 10⁻¹⁸J

6 0

3 years ago

Can someone help me with this pls

diamong [38]

The chemical elements are arranged in order of increasing atomic number. Answer A.

7 0

2 years ago

Read 2 more answers

60 POINTS

Juli2301 [7.4K]

Answer:

PBr3 - Molecule , Polar

N2H2 - Molecule , (Polar in E- form and Non- polar in Z form)

C2H2 - Molecule , Non- Polar

N2 - Molecule , Polar

NCl3 - Molecule , Polar

SiF4 - Molecule , Non- Polar

NH3 - Molecule , Polar

F - Not- Molecule (atom)

H2 - Molecule and Non- Polar

Explanation:

Molecule : these are group of two or more atoms joined by strong force of attraction.

H2 is non- polar because it is homoatomic molecule.(made up of same element)

N2 is non- polar because it is homoatomic molecule.

5 0

2 years ago

Calculate the weight of 5 atoms of Mg.

kumpel [21]

Answer:

2.0179701e-22

Explanation:

8 0

3 years ago