Chemistry 7-8-9 unit

Chemistry 7-8-9 unit

8th Grade

22 Qs

quiz-placeholder

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Chemistry 7-8-9 unit

Chemistry 7-8-9 unit

Assessment

Quiz

Chemistry

8th Grade

Hard

Created by

Камалия Егемберген

Used 5+ times

FREE Resource

22 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

WHAT BOND IS POTASSIUM CHLORIDE (KCl)

covalent bond

hydrogen bond

ionic bond

metallic bond

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which one is covalent bond?

Media Image
Media Image
Media Image
Media Image

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

...... - the element with the strongest nonmetallic properties

francium

boron

copper

fluorine

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which one is exothermic reaction?

Burning of wood
Photosynthesis
Melting ice
Media Image

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Some elements have properties of metals and nonmetals more at the same time.

Such elements are called .....

solids

amphoteric elements

metalloids

acidic oxids

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which elements are liquid at room temperature

Carbon and sulfur
Oxygen and nitrogen
Mercury and bromine
Sodium and potassium

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The vertical columns are called.....

pillars

periods

rows

groups

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