Atoms & Periodic Table 1.3

What does the number of protons tell you about an atom?

• A. The mass number

• B. The number of elements

• C. The atomic number

• D. None of the above

What subatomic particle(s) is/ are located in the nucleus of an atom?

• A. Protons

• B. Protons & Neutrons

• C. Electrons

• D. Protons & Electrons

Which subatomic particle has very little mass (and weighs nearly nothing!)?

• A. Proton

• B. Neutron

• C. Electron

• D. Nucleus

Which two subatomic particles are added together to get the Atomic Mass?

• A. Protons & Neutrons

• B. Neutrons & Electrons

• C. Electrons & Protons

The nucleus of an atom contains both ___________ & ____________.

• A. Protons, neutrons

• B. Protons, electrons

• C. Neutrons, electrons

Tags

NGSS.MS-PS1-1

All matter is made up of:

• A. Mass

• B. Atoms

• C. Nucleus

• D. Cells

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

The _________ number is determined by the number of protons in an atom.

• A. Atomic

• B. Mass

The _________ number is determined by the number of protons AND neutrons in an atom.

• A. Atomic

• B. Mass

Electrons orbit in the _______________ of an atom.

• A. Electron cloud

• B. Nucleus

___________ have a neutral charge and are located in an atom’s nucleus.

• A. Protons

• B. Neutrons

• C. Electrons