Periodic Table Test Review

A collection of atoms of one type that cannot be broken down into simpler substances by ordinary chemical or physical means

• element

• subatomic particle

• electron

• matter

A negatively charged subatomic particle that orbits the nucleus of an atom

• proton

• neutron

• electron

• matter

A horizontal grouping on the Periodic Table of Elements. Each element in each row has the same number of energy shells.

• family

• period

• row

• isotope

Answer explanation

The Bohr Model shows these energy levels.

How many protons does potassium have?

• 39.0983

• 19

• 20

• 10

Potassium is in group 1 and period 4. How many valence electrons does it have?

• 1

• 4

• 5

• 3

Answer explanation

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

Name of group 2

• Noble gases

• Alkali metals

• Halogens

• Alkaline earth metals

Which describes malleability?

• cannot be flatten

• can be flatten

• is shiny

• is dull

Neon is in what family?

• Alkali Metals

• Alkaline Earth Metals

• Halogens

• Noble Gases

Find an element with similar chemical properties to Barium (Ba).

• Ca an Ra, because they are in the same group and have similar chemical properties.

• Cs and La, b/c they are in the same period number.

• Ca and Y, b/c they are 90 degree angle and have similiar properties.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which is a halogen?

• Helium
• Chlorine
• Oxygen
• Neptune