Physical Science Semester Exam Review

Elements in the same _____ have the same number of electron shells

• period
• group
• column
• family

Elements in the same _____ have the same number of valence electrons.

• period
• group
• row
• horizontal row

Tags

NGSS.HS-PS1-1

What type of elements are generally found on the left of the periodic table?

• metals
• nonmetals
• metalloids
• gasses

Rows on the periodic table are called

• groups
• families
• periods
• columns

As you move from left to right on the periodic table the atomic number

• increases
• decreases
• remains the same
• increases then decreases

When water boils it changes from a

• solid to a gas
• solid to a liquid
• liquid to a gas
• gas to a liquid

Tags

NGSS.MS-PS1-4

Which is an example of a chemical change to matter

• mixing lemonade
• iron rusting
• ice melting
• frost forming from deposition

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

When a chemical change occurs

• atoms in the original substance are not affected
• atoms in the original substance are rearranged to make new substances
• molecules in the original substance are spread far apart
• molescules in the original substance are not affected

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

A physical property of a substance __.

• is observed by changing the identity of the substance
• is anything that physically exists or occurs
• can be observed without changing the identity of the substance
• must be observed by touching the substance

When two or more elements chemically combine

• element
• compound
• mixture
• solution

Tags

NGSS.MS-PS1-1