chemical combination

chemical combination

7th Grade

10 Qs

quiz-placeholder

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Assessment

Quiz

Science

7th Grade

Medium

Created by

Nesreen Hosny

Used 169+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

the number of known elements up till now is..........elements

92

118

121

211

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Elements can be classified according to their properties and electronic structure into

Metals and non-metal

Metals only

Non-metals only

Metals,non-metals and noble gases

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Elements contain less than 4 electrons in outermost energy level

Non-metals

Metals

Inert gases

No correct answer

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Elements contain more than 4 electrons in outermost energy level

Metals

Non-metals

Nobel gases

No correct answer

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

..............is the only liquid metal element

Bromine

Mercury

Iron

Water

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

..................is the only liquid non-metal element

Bromine

Mercury

Iron

water

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

..........tend to lose electrons and change to positive ion during chemical reaction

Metals

Non-metals

Inert gases

No correct answer

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