What is the electronic configuration for this atom?

• 2.7.2

• 2.8.1

• 2.8.2

• 2.8.3

Why does an ionic solid NOT conduct electricity

• Because the atoms cant move

• Because the ions cant move

• Because the electrons cant move

• Because electricity cannot travel through any solids

What does the symbol mean?

• It is a redox reaction

• It is a reversible reaction

• It is a displacement reaction

• It is a reaction where nothing will happen

What does the group number on the periodic table tell you?

• The number of electrons

• The number of protons in the nucleus

• The number of electron shells

• The number of electrons in the outer shell

What does the period number on the periodic table tell you?

• The number of electrons in the outer shell

• The number of electrons

• The number of electron shells

• The number of neutrons in the nucleus

What is an isotope? (choose two)

• The same element that has a different mass number

• The same element that has a different atomic number

• The same element with a different number of electrons

• The same element with a different number of neutrons

An acid forms which sort of ion?

• H+

• OH-

• H-

• OH+

How do you calculate the number of moles of a substance?

• Mr/Mass

• Mass/Mr

• Concentration/Mr

• Mass/concentration

Elements such as  Silicon, diamond and graphite.  Compounds include  SiO₂

• simple covalent molecules
• metallic
• ionic
• giant covalent 

Tags

NGSS.HS-PS1-3

The liquid part of a solution is called the:

• Solute

• Solvent

• Solite

• Salute