Reviewing Atoms and the Periodic Table

Which is a proton?

• A

• B

• C

Tags

NGSS.MS-PS1-1

Which TWO of the following subatomic particles are inside the nucleus?

• protons

• electrons

• neutrons

• There are no subatomic particles in the nucleus of an atom.

a positively-charged particle in the atoms nucleus

• proton

• neutron

• electron

Which label correctly identifies the nucleus of the atom?

• A

• B

• C

• D

Tags

NGSS.MS-PS1-1

What is the mass number of this atom?

• 1

• 3

• 4

• 7

Tags

NGSS.MS-PS1-1

On the periodic table Li, Na, K and Rb are found in the same group because

• they have the same number of neutrons

• they have similar properties

• they have the same number of electrons

• they are compounds

Most of the elements on the periodic table are classified as _____.

• Metals

• Nonmetals

• Metalloids

• Periods

Tags

NGSS.MS-PS1-1

Sodium (Na) is found in period 

• 3

• 2

• 4

• 1

Sodium (Na) is found in group 

• 1

• 2

• 3

• 4

a chart showing all of the elements arranged according to their properties

• atomic mass

• proton

• neutron

• periodic table