STAAR Science Review - Texas

Basic building block of matter

• protons

• neutrons

• nucleus

• atom

Tags

NGSS.MS-PS1-1

3 subatomic particles

• protons

• atom

• neutrons

• electrons

Tags

NGSS.MS-PS1-1

Number of molecules (large #) 2NaCl

• chemical formula

• coefficient

• subscript

• electrons

Tags

NGSS.MS-PS1-1

Push or pull

• speed

• acceleration

• force

• mass

Tags

NGSS.MS-PS2-1

Name of group 2 on the periodic table

• noble gases

• alkali metals

• halogens

• alkaline earth metals

Name of group 18 on the periodic table

• noble gases

• alkali metals

• alkaline earth metals

• halogens

Center of atom

• nucleus

• atom

• valence electrons

• electron cloud

Located outside of the nucleus; has energy levels

• valence electrons

• electron cloud

• atom

• nucleus

Can be hammered into thin sheets

• period

• protons

• malleable

• ductile

Same as period number

• valence electron

• group

• protons

• energy levels