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Chemistry Quiz - Elements and Compounds
1. An atom is:
A the building block of living plants and animals only
B the type of particle found only in solid objects
C composed of protons, neutrons and electrons
2. The positively charged particle in an atom is the:
A electron
B proton
C neutron
3. The place in the atom which contains the protons and the neutrons is the:
A orbit
B nucleus
C shell or cloud
4. The negatively charged particle in an atom is the:
A electron
B neutron
C proton
5. An uncharged atom has the same number of:
A neutrons and electrons
B neutrons and protons
C protons and electrons
6. The atomic number of an atom is the number of:
A neutrons
B protons
C electrons and protons together
7. The mass number of an atom is mainly the number of:
A protons and neutrons
B electrons and neutrons together
C neutrons only
8. The maximum numbers of electrons in the first four energy levels of an atom are:
A 2, 8, 8, 18
B 2, 4, 6, 8
C the same
9. A pure substance whose atoms are of the same type is called:
Aa mixture
Ban element
Ca compound
10. Examples of noble or inert gases are:
Ahydrogen and helium
Bhelium and neon
Cnobelium and einsteinium
11. The lightest gas is:
Ahelium
Bcarbon dioxide
Chydrogen
12. Compounds that share electrons when the atoms bond are:
Acovalent
Bimpure
Cionic
13. When an atom loses an electron, it becomes a:
Anegative ion
Bnegatively charged atom
Cpositive ion
14. The chemical symbols of chlorine, potassium, copper, sodium, nitrogen and iron in order are:
ACl, P, Co, So, Ni, I
BCl, K, Co, So, N, Fe
CCl, K, Cu, Na, N, Fe
15. The table that lists over 100 different types of elements is called the:
APeriodic Table
BMendeleevian Table
CChemistry Element Table

 

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