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dinosaurs

Authored by reem Almansoori

Education

8th Grade

Used 6+ times

dinosaurs
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6 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

how is the compound (MgCl2) is formed ? and what it's type of bond?

lose and gain , covalent bond

sharing electrons , covalent bond

sharing electrons , ionic bond

lose and gain , ionic bond

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

what effects the strength of the attraction of each atom to it's electrons ?

Type of element

size of the atom, charge of nucleus ,number of electrons

number of electrons only

type of energy

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

example of polar molecule

H2O

CH4

CO2

O3

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

To write a chemical formula you need to know ..

the number of electrons they gain , lose or share to become stable

elements oxidation number

electrons involved

how many valence electrons the atom have

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

what types of compounds are easy to write formulas for ?

binary compound

covalent compound

ionic compound

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

What forms as a result of electrons sharing ?

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