Predicting Products of Chemical Rxns and More!

Front

What does it mean for an element to be diatomic?

Back

A diatomic element is one that naturally exists as two atoms bonded together, such as O2 (oxygen) or H2 (hydrogen).

Front

What is the subscript for a diatomic element when it is written by itself?

Back

2, only when it's written by itself.

Front

What does the symbol (s) represent in a chemical equation?

Back

It indicates that the compound is a solid.

Front

What is the balanced equation for the reaction of NaOH and Fe(NO3)3?

Back

3NaNO3 + Fe(OH)3.

Front

What is the correct balanced equation for the reaction of barium chloride and potassium carbonate?

Back

BaCl2(aq) + K2CO3(aq) → BaCO3(s) + 2KCl(aq).

Front

What is the product of the reaction between rubidium and oxygen gas?

Back

Rb2O.

Front

What does the symbol (aq) indicate in a chemical equation?

Back

It indicates that the compound is in an aqueous solution, meaning it is dissolved in water.

Front

What is the charge of iron in Fe(NO3)3?

Back

3+.

Front

What is the charge of nitrate (NO3)?

Back

1-.

Front

How do you determine the number of atoms in a diatomic molecule?

Back

A diatomic molecule always contains two atoms of the same element.