Atoms, molecules and ions

What is the name of the element that has the symbol of P

• Potassium

• Phosphorus

• Phosphate

• Phosphoric acid

Tags

NGSS.HS-PS1-1

Which of the particles below represent an ion (Select all that applies)

• K⁺

• Na

• Cl^-

• Fe³⁺

• SO₄^2-

What is the name of the Br^- ion?

• Bromine

• Bromide

• Bromate

• Bro

Tags

NGSS.HS-PS1-1

What is the correct formula of the compound produced from Iron(III) and oxide ion?

• FeO

• Fe₃O

• FeO₃

• Fe₂O₃

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which particles below represent an atom (select all that applies)

• Mn

• CO

• Co

• MnO₄

• Mn²⁺

Tags

NGSS.MS-PS1-1

Which of the following elements are nonmetals (select all that applies)

• Cu

• C

• N

• Mg

Tags

NGSS.HS-PS1-1

Which of the elements below are metals? (Select all that applies)

• Mg

• V

• Ti

• Zn

Tags

NGSS.HS-PS1-1

Which of the following is a covalent compound?

• CO

• MgO

• ZnCl₂

• LiH

What is the formula of the hydroxide ion?

• OH^-

• OH

• H⁺

• H₂O

What is the symbol of Copper(II) ion?

• Cu⁺

• Cu

• Cu²⁺

• Cu₂