Atoms & the Periodic Table

Which two subatomic particles are found in the NUCLEUS of an atom & make up the mass of the atom?

• protons & neutrons

• protons & electrons

• neutrons & electrons

• electrons & protons

Tags

NGSS.MS-PS1-1

The subatomic particle with a neutral charge is:

• protons
• electrons
• neutrons
• cloud

Which type of subatomic particles have the LEAST amount of mass?

• protons
• electrons
• neutrons
• nucleus

If an element has 6 protons, 7 neutrons, and 6 electrons, what type of charge does the element have?

• positive
• negative
• neutral
• imaginary

Tags

NGSS.MS-PS1-1

How many protons does this element have?

• 40
• 21
• 20
• 41

Tags

NGSS.MS-PS1-1

This family on the periodic table is NOT reactive at all!

• Noble Gases

• Alkali Metals

• Transition Metals

• Halogens

Elements in the same ________ are more chemically similar.

• family/group

• period
• club
• table

Rows on the periodic table are called _____ while columns are called _____.

• groups, families
• groups, periods
• periods, groups
• families, groups

The atomic number tells you what?

• number of electrons
• number of protons
• number of neutrons
• both electrons and protons in an atom.

This family on the periodic table is the MOST reactive

• Noble Gases

• Alkali Metals

• Alkaline Earth Metals

• Halogens