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Chemistry
7th -
9thgrade
Atomic structure and Introductory Periodic Table
12 questions
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- 1. Multiple ChoiceThe horizontal row on the periodic table is called agroupfamilyperiodatomic number
- 2. Multiple Choice
These elements can be found where in the periodic table?
Period 1
Group I
Group III
Group VI
- 3. Multiple ChoiceIn the modern periodic table elements are arranged by:atomic massatomic numbervalence electrons
mass number
- 4. Multiple Choice
Atom Q has atomic number 27 and a mass number of 59. Which of the following statements is not true of atom Q.
Q has 27 protons
Q has 32 neutrons
Q has 32 electrons
All options are correct
- 5. Multiple Choice
Particle J has 15 protons, 18 electrons and 16 neutrons. Which of the following is correct?
J has a mass number 33.
J has a charge of -3.
J has a charge of +3.
J has a mass number of 34
- 6. Multiple Choice
What is the atomic number of this atom?
3
4
6
7
- 7. Multiple Choice
What is the mass number of this atom?
3
4
6
7
- 8. Multiple Choice
Identify the isotopes.
X and Y
V and Y
W and Z
Y and Z
- 9. Multiple Choice
Identify the element with the largest atoms.
X
Y
Z
They are all the same size.
- 10. Multiple Choice
Element Q, R and S are in the same group of the periodic table. Q has the lowest ionisation energy and R has the highest. Select their correct placement in the group.
A
B
C
D
- 11. Multiple Choice
The following are electronic configurations of some elements. Identify ALL the elements which would be found in the same group.
J 2, 8, 5
K 2, 8, 8, 18, 2
L 2, 8, 8, 18, 18, 1
M 2, 8, 2
N 2, 8, 8, 2
J and M
J, K, L, M and N
M and N
K, M and N
- 12. Multiple Choice
Magnesium is most like which of the following?
Calcium
sodium
CesiumNitrogen - Answer choicesTagsAnswer choicesTags