Atomic Structure

Question 1

What is an isotope?

Answer 1

Atom with the same protons and electrons but different neutrons

Question 2

What is the position of proton, neutron, and electron?

Answer 2

Proton: center
Neutron: center
Electron: outside

Question 3

What is the mass of proton, neutron, and electron?

Answer 3

Proton: heavy
Neutron: heavy
Electron: virtually zero

Question 4

What charges attract?

Answer 4

Unlike charges (-/+)

Question 5

What is the charge of proton, neutron, and electron?

Answer 5

Proton: +
Neutron: 0
Electron: -

Question 6

What charges appeal?

Answer 6

Same charges (-/-) or (+/+)

Question 7

What are the functions of proton, neutron, and electron?

Answer 7

Proton: Determines atom identity
Neutron: Holds together nucleus
Electron: Responsible for reactivity

Question 8

What is the relationship between Coulomb attraction and amount of charge?

Answer 8

Direct relationship

Question 9

What is the relationship between coulombs attraction and distance?

Answer 9

Inverse relationship

Question 10

What is electronegativity?

Answer 10

The tendency of an atom participating in a covalent bond to attract the bonding electrons

Question 11

Why are isotopes useful in scientific research?

Answer 11

They can be used as tracers for radioactivity

Question 12

What is the atomic mass for an element with 14 protons, 11 neutrons, and 14 electrons?

Answer 12

25

Question 13

How many protons, neutrons, and electrons are there for an element with an atomic mass of 26 and a charge of +1?

Answer 13

Protons: 13
Neutrons: 13
Electrons: 12

Question 14

Which has a stronger attraction for valence electrons?
A. Lithium
or
B. Sodium

Answer 14

Lithium because the electrons are closer to the nucleus

Question 15

What happens to force if a charge is x3?

Answer 15

x3

Question 16

What happens to force if the distance is x3?

Answer 16

x1/9