Geometric Representation Of Atomic Structure

Geometric Representation Of Atomic Structure

8th Grade

25 Qs

quiz-placeholder

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Geometric Representation Of Atomic Structure

Geometric Representation Of Atomic Structure

Assessment

Quiz

Chemistry

8th Grade

Easy

Created by

Vijayasanthi M

Used 3+ times

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25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the atomic number of an element is 6 and its mass number is 13, how many protons are

contained in the nucleus?

6

7

8

5

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An atom that loses or gains electrons is called a(n)

isotope.

proton.

neutron.

ion.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Electronic configuration of 40 Ca20 is

2, 8, 10

2, 8, 8, 2

2, 8, 2, 8

2, 2, 8, 8

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following does not have 8 valence electrons?

Ar

Ne

Kr

He

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following correctly represents the electronic distribution in the Mg atom? .

3, 8, 1

2, 8, 2

1, 8, 3

8, 2, 2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An element has 3 electrons in the valence M Shell. The symbol of the element is ___.

B

Al

Mg

Ga

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If K, L, M and N shells of an atom are full, the total number of electrons in that atom are

60

26

42

36

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