Atom Notes Part 1

Multiple Choice

What is the smallest particle a substance can be divided down to and still be the same called?

• matter

• molecule

• electron

• atom

Multiple Choice

Where is most of the atoms mass located?

• electrons

• neutrons

• nucleus

• electron cloud

Multiple Choice

What charge does the nucleus of an atom have?

• positive

• negative

• no charge

• charged

Multiple Choice

What is the negatively charged particles in an atom?

• nucleus

• protons

• neutrons

• electrons

Multiple Choice

What is the neutral particles in an atom?

• nucleus

• protons

• neutrons

• electrons

Multiple Choice

What is the positively charged particles in an atom?

• nucleus

• protons

• neutrons

• electrons

Multiple Select

What two particles are located in the nucleus of an atom?

• protons

• electrons

• nucleus

• neutrons

Multiple Choice

Where are the electrons located?

• inside the nucleus

• outside the nucleus

• on the elemental square

• on the top of the atom

Multiple Select

Which two particles of an atom make up most of the mass?

• protons

• electrons

• neutrons

Multiple Choice

Why is an atom considered to be neutral?

• same number of protons and neutrons

• same number of protons and electrons

• same number of neutrons and electrons

• same number of protons, electrons, and neutrons

Multiple Choice

How many electrons can the 1st orbit of the electron cloud hold?

• 2

• 8

• 18

• 36

Multiple Choice

How many electrons can the 2nd orbit of the electron cloud hold?

• 2

• 8

• 18

• 36

Multiple Choice

How many electrons can the 3rd orbit of the electron cloud hold?

• 2

• 8

• 18

• 36

Multiple Choice

What are the valence electrons?

• electron cloud

• all the electrons

• electrons in the first shell

• electrons in the outer most shell

Multiple Choice

What is an atom that has more neutrons than protons called?

• isotope

• even

• isotonic

• unstable