Atoms

Question 1

What makes up the atomic mass?

Answer 1

Neutrons and Protons

Question 2

What occupies the atom’s volume?

Answer 2

Electrons

Question 3

Are atomic numbers unique to every element?

Answer 3

Yes, atomic numbers are unique to every element.

Question 4

What is on the top left of an atomic symbol?

Answer 4

The mass number

Question 5

What is on the bottom left of an atomic symbol?

Answer 5

The atomic number

Question 6

What is the atomic number?

Answer 6

The number of protons in the nucleus

Question 7

What is the mass number?

Answer 7

Number of protons plus neutrons in the nucleus

Question 8

What is an isotope?

Answer 8

Any form of an element with different numbers of neutrons in the nucleus

Question 9

What is atomic weight?

Answer 9

Average mass of all atoms of isotopes

Question 10

What is an orbital?

Answer 10

Volume of space where electrons are likely to be.

Question 11

What is the valence shell?

Answer 11

The outermost occupied energy shell

Question 12

What is an energy shell?

Answer 12

Group of electron orbitals that share the same energy levels

Question 13

What are molecules?

Answer 13

When two or more atoms chemically join together

Question 14

What are compounds?

Answer 14

A molecule composed of two or more different elements.

Question 15

Electrons occupy the highest or lowest energy level available to them?

Answer 15

Electrons occupy the lowest energy level available to them.

Question 16

Shells have more or less electrons the further from the nucleus they are?

Answer 16

Shells have more electrons the further out from the nucleus they are.

Question 17

What is electronegativity?

Answer 17

Atom’s ability to attract electrons on scale 0-4