Elements, Compounds and Mixtures

Front

What is an element?

Back

A pure substance that cannot be broken down into two or more simpler substances by chemical processes.

Front

Which is NOT an element? Carbon, Copper, Oxygen, Carbon dioxide

Back

Carbon dioxide

Front

What is the correct symbol for Hydrogen?

Back

H

Front

Which list contains three elements?

Back

Carbon, Iron, Zinc

Front

Which of the following is a diatomic molecule? Options: P₄, O₃, S₈, N₂

Back

N₂

Front

Which is a compound? Options: X, Y, Z, W

Back

Y

Front

What is the number of elements in ammonium carbonate ((NH₄)₂CO₃)?

Back

4

Front

Which of these elements is a monatomic? Options: Ar, N₂, H₂, P₄

Back

Ar

Front

How many N atoms are there in Pb(NO₃)₂?

Back

2

Front

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

Back

H₂