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Knihovna

Y8- Atoms, elements, compounds and mixtures

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Poslední aktualizace 4 months ago
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Poznámka od autora:

Formative Generation Completed!

Formative Generation Completed!

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Otázka 1
1.

What is the smallest unit of an element that maintains the chemical properties of that element?

Otázka 2
2.

Is water considered a compound?

Otázka 3
3.

Which of the following is not a mixture?

Otázka 4
4.

Which three particles make up an atom?

Otázka 5
5.

What determines the atomic number of an element?

Otázka 6
6.

Can the number of protons in an atom change?

Otázka 7
7.

What is the center of an atom called?

Otázka 8
8.

What elements make up water?

Otázka 9
9.

What type of bond holds the atoms together within a water molecule?

Otázka 10
10.

Is air considered to be a homogeneous mixture?

Otázka 11
11.

The periodic table is organized by increasing what?

Otázka 12
12.

What are the two types of chemical bonds?

Otázka 13
13.

What is a substance made up of only one type of atom?

Otázka 14
14.

Do all atoms of the same element have the same number of protons?

Otázka 15
15.

Which of these is not a pure substance?