1. Which of the following is a compound?
A. Wood B. Iron C. Water D. Air
2. A substance containing two or more elements chemically bonded together
is considered a(n):
A. mixture. B. atom. C. alloy D. compound
3. How many different atoms are there in a compound?
A. One
C. Two or more
B. Always two
D. None of these
4. Which of these is the smallest particle?
A. An atom B. A molecule C. An element D. A speck of dust
5. Which of these is the correct symbol for magnesium
A. MG
C. Mg
D. Mag
B. mg
6. A pure substance which atoms are of the same type is called
A. Mixture B. Compound C. Element D. All of the Above
7. Examples of noble gases are;
A. Hydrogen and Helium
B. Nobelium and Einsteinium
C. Helium and Neon
D. Magnesium and Chlorine
8. The lightest gas is:
A. Helium
B. Oxygen
C. Neon
D. Carbon Dioxide
9. The table that lists down the more than 100 elements is known as the:
A. Mendeleev's Table
C. Chemistry Element Table
B. Periodic Table
D. Octet Table
10. The chemical symbols of chlorine, potassium, copper, sodium, nitrogen
and iron in order are:
A. C1, P, Co, So, Ni, I
C. CI, K, Co, So, N, Fe
B. C, K, Co, Na, N, Fe
D. CI, K, Cu, Na, N, Fe
--- discendo discimus
