Unit 2 Pre-Assessment

The vertical (up and down) columns in the Periodic Table are called

• groups

• towers

• periods

• atomic numbers

• I don't know

Tags

NGSS.HS-PS1-1

The Modern Periodic Table of Elements is arranged by

• atomic mass
• atomic number
• valence electrons
• number of isotopes
• I don't know

Sodium (Na) is found in group 

• 1
• 2
• 3
• 4
• I don't know

Tags

NGSS.HS-PS1-1

What does the 6 represent?

• atomic mass
• atomic number
• element name
• chemical symbol 
• I don't know

Tags

NGSS.MS-PS1-1

What does 12.011 represent?

• atomic mass
• atomic number
• element name
• chemical symbol 
• I don't know

Tags

NGSS.HS-PS1-1

What does the C represent?

• atomic mass
• atomic number
• element name
• chemical symbol 
• I don't know

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

A positively charged particle found in the nucleus of an atom is

• a quark.

• an electron.

• a proton.

• a neutron.

• I don't know

Tags

NGSS.HS-PS1-8

A  negatively charged particle located outside the atom's nucleus is

• a neutron.

• a proton.

• an electron.

• a quark.

• I don't know

The center of an atom is 

• a neutron.

• a nucleus.

• a centromere.

• a bohr.

• I don't know

Tags

NGSS.HS-PS1-8

The 3 types of chemical bonds are ________, ________, and ______. (Choose 3)

• ionic

• valence

• covalent

• metallic

• atomic