Intro to periodic table of elements

Atoms contain which subatomic particles?

• protons, nucleus, electrons

• protons, neutrons, electrons

• photons, neutrons, electrons

• photons, nucleus, electricity

What is made of 2 or more different elements chemically combined?

• compounds

• atoms

• mixtures

• elements

Tags

NGSS.MS-PS1-1

What is made of only 1 type of atom?

• atoms

• elements

• compounds

• mixtures

Look at the reaction in the picture (the picture is fuzzy). Which letter represents a compound?

• A

• B

• C

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

Which letter represents the valence electrons?

• A

• B

• C

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the maximum (most) number of electrons found in the 1st energy shell (ring)?

• 1

• 2

• 8

• 18

What is the maximum (most) number of electrons found in the 2nd energy shell (ring)?

• 1

• 2

• 8

• 18

Another name for a row is a _________________.

• group

• family

• column

• period

What do the grey circles represent?

• protons

• neutrons

• electrons

• voltrons

When elements fall under the same column, this means they belong to the same ______.

• group

• period

Tags

NGSS.HS-PS1-1