Electronegativity is...

• how good an atom is at attracting electrons
• the ability of an atom to lose electrons
• the energy required to remove an electron from a specific atom
• how easy it is to make friends. 

Tags

NGSS.HS-PS1-1

Ionization energy is...

• the energy required to add an electron to a specific atom
• how much energy it takes to remove an electron from an atom
• the energy required to shield the outer electrons from the nucleus
• a measure of the ability of an atom to attract electrons

Tags

NGSS.HS-PS1-2

Atomic radius generally increases as we move __________.  

• down a group and from right to left across a period 
• up a group and from left to right across a period 
• down a group and from left to right across a period 
• up a group and from right to left across a period 

Tags

NGSS.HS-PS1-1

Which atom has the largest atomic radius?

• potassium
• rubidium 
• francium
• cesium

Tags

NGSS.HS-PS1-1

As you move from left to right on the periodic table, the number of valence electrons.......

• Increases

• Decreases

• Remains the same

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

As you move down a group on the periodic table, the number of valence electrons....

• Increases

• Decreases

• Remains the same

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following would be most similar to Phosphorus? (select all that apply)

• Nitrogen

• Sulfur

• Silicon

• Germanium

• Antimony

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The common charge on an atom in group 17 would be....

• +1

• +7

• -7

• -1

• 17

Tags

NGSS.HS-PS1-1

Which of the following is the term for a substance in which all the atoms have the same number of protons

• a compound

• An element

• a molecule

• a solid

• a gas

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