Chemistry Test Review

Which of the following would NOT be considered matter?

• gravity

• water

• air

• hair

Tags

NGSS.MS-PS1-1

A Lewis Dot diagram of Phosphorus (P) would show how many electrons?

• 3

• 5

• 8

• 15

Tags

NGSS.MS-PS1-1

Who invented the Periodic Table?

• Gregor Mendel

• Dmitri Medeleev

• Henry Moseley

• Michelle Goode

Which of the following elements is a metalloid?

• Cesium (Cs)

• Krypton (Kr)

• Arsenic (As)

• Plutonium (Pu)

How many neutrons does Bromine (Br) have?

• 35

• 45

• 80

• 115

Tags

NGSS.MS-PS1-1

A Bohr Model of Radium (Ra) would have how many electron orbitals/shells?

• 2

• 5

• 6

• 7

Tags

NGSS.MS-PS1-1

Which element belongs to the least reactive group of elements?

• Neon (Ne)

• Silver (Ag)

• Carbon (C)

• Potassium (K)

Which subatomic particle determines the reactivity of a group of elements on the periodic table

• number of protons

• number of electrons

• number of neutrons

• number of valence electrons

An element is identify by

• its number of neutrons

• its number of protons

• its atomic mass

• the type of charge

Tags

NGSS.MS-PS1-1

Which best explains how the atomic size of the elements is arranged on the periodic table.

• The atomic size decreases from left to right and decreases from top to bottom.

• The atomic size increases from left to right and increases from top to bottom

• The atomic size decreases from left to right and increases from top to bottom.

• The atomic size increases from left to right and decreases from top to bottom.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2