10-minute Quiz : Chapter 5 Atomic structure

10-minute Quiz : Chapter 5 Atomic structure

10th - 12th Grade

10 Qs

quiz-placeholder

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10-minute Quiz : Chapter 5 Atomic structure

10-minute Quiz : Chapter 5 Atomic structure

Assessment

Quiz

Chemistry

10th - 12th Grade

Medium

Created by

Chemistry Aristo

Used 29+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

Which of the following statements concerning potassium is/are correct?

(1) It is an element.

(2) The symbol of potassium is P.

(3) The following diagram can be used to represent the spatial arrangement of atoms in a piece of potassium under room conditions.

A. (1) only
B. (2) only
C. (1) and (3) only
D. (2) and (3) only

2.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image
A. one electron and two neutrons.
B. one electron and two protons.
C. one neutron and one proton.
D. two neutrons and one proton.

3.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

An aluminium atom has 13 protons. The mass number of the aluminium atom is 27. How many neutrons are there in this aluminium atom?
A. 13
B. 14
C. 27
D. 40

4.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

The electron diagram of an atom of Z is shown below. Which of the following statements concerning Z are correct?

(1) The electronic arrangement of Z can be written as 2, 8, 8, 2.

(2) There are four occupied electron shells in an atom of Z.

(3) The atomic number of Z is 20.

A. (1) and (2) only
B. (1) and (3) only
C. (2) and (3) only
D. (1), (2) and (3)

5.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Which of the following statements concerning an atom are correct?

(1) It is the smallest unit of an element which has the chemical properties of that element.

(2) It is made up of subatomic particles.

(3) It is electrically neutral.

A. (1) and (2) only
B. (1) and (3) only
C. (2) and (3) only
D. (1), (2) and (3)

6.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

The relative atomic mass of an element is defined as
A. the mass of an atom of the element relative to the mass of a carbon-12 atom.
B. the mass of an atom of the element relative to the mass of a hydrogen-1 atom.
C. the average of the relative isotopic masses of all of its naturally occurring isotopes on the ¹²C = 12.00 scale.
D. the weighted average of the relative isotopic masses of all of its naturally occurring isotopes on the ¹²C = 12.00 scale.

7.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image
A
B
C
D

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