Chemistry Part A

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

• groups

• towers

• periods

• atomic numbers

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The Modern Periodic Table of Elements is arranged by

• atomic mass
• atomic number
• valence electrons
• number of isotopes

What does 12.011 represent?

• atomic mass
• atomic number
• element name
• chemical symbol 

Tags

NGSS.MS-PS1-1

What does the C represent?

• atomic mass
• atomic number
• element name
• chemical symbol 

Tags

NGSS.MS-PS1-1

The horizontal (side to side) rows in the Periodic Table are called

• groups

• families

• periods

• atomic numbers

what is the biggest group on the table

• metals

• nonmetals

• metaloids

• halogens

what group number are the noble gases

• 17

• 18

• 14

• 15

All matter is made of .....

• energy 
• atoms 
• air
• chemistry

Tags

NGSS.MS-PS1-1

Most of the mass of an atom is found it its _____.

• electron cloud
• nucleus
• atomic number
• empty space

Tags

NGSS.HS-PS1-8

Which subatomic particle has a negative charge in the atom?

• proton
• neutron
• electron
• quark