Bohr Models & Lewis Structures

Isotopes are elements with a different amount of

• protons
• neutrons
• electrons
• atoms

an element will always have the same number of 

• neutrons
• protons
• isotopes
• atoms

Tags

NGSS.MS-PS1-1

How are electrons arranged in an atom?

• In groups of five
• In energy levels
• By color
• By shape

Tags

NGSS.HS-PS1-1

An element with five valence electrons is

• phosphorus
• oxygen
• beryllium
• rubidium

Tags

NGSS.HS-PS1-1

Rows on the period table are called _____ while columns are called _____.

• groups, families
• groups, periods
• periods, groups
• families, groups

How many electrons are in the outer (valence) shell of Chlorine (Cl)?

• 1
• 3
• 6
• 7

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

An element with five valence electrons is

• phosphorus
• oxygen
• beryllium
• rubidium

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the name of the group that never reacts--ever ever they are stable with a full outermost ring!!!

• noble gases
• transition
• halogens
• borons

Tags

NGSS.HS-PS1-1

What is the name of the group that has the MOST reactive METALS in it?

• Alkaline earth
• Alkali
• transition
• actinides

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The period for Bromine is ___________.

• 3
• 2
• 4

Tags

NGSS.HS-PS1-1