Elements and Compounds

Front

A pure substance made of only ONE type of atom is called

Back

element

Front

Is sugar (C₁₂H₂₂O₁₁) an element or a compound?

Back

Compound

Front

Which of the following is not a compound? Options: HCl, Cl, NaCl, CO2

Back

Cl

Front

Which of the following represents an element? Options: H₂O, H₂, NaCl, CaCO₃

Back

H₂

Front

What is made up of two or more elements that are chemically combined?

Back

Compound

Front

Back

1

Front

Back

2

Front

How many elements are represented in the compound?
Na₂CO₃

Back

3

Front

How many different elements are in this chemical formula: C₂H₂ClK₃?

Back

4

Front

Which of the following atomic symbols is written correctly? Options: ee, hE, C, CL

Back

C