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Biblioteka

Atoms, Elements, Compounds, Mixtures Assessment

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Posljednje ažuriranje over 4 years ago
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Pitanje 1
1.

This is a picture of a(an) __________, the building block of matter.

Pitanje 2
2.

In the picture above, water is an example of

Pitanje 3
3.

Silver is found on the periodic chart. Therefore, it must be a (an)

Pitanje 4
4.

The yellow on the right part of the periodic chart represents what type of element?

Pitanje 5
5.

Using this key, which model below represents AlOH3?

Pitanje 6
6.

If the symbol for the yellow element is Y and the symbol for the purple element is P. What is the correct chemical formula for EVERYTHING in the square?

Pitanje 7
7.

This is a picture of an insulin molecule. Its formula is C257H383N65O77S6

Is it an element, a compund, or a mixture?

Pitanje 8
8.

How many molecules are there in the formula 4C2H3?

Pitanje 9
9.

How many elements are there in 4Na2KCl?

Pitanje 10
10.

Use the key above to answer the question below.

Which model below best represents the formula 2KCl?

Pitanje 11
11.

Use the information below to answer the following question.

N = nitrogen

Cl = chlorine

H = hydrogen

C = carbon

Na = sodium

What elements make up the molecule NaCl?

Pitanje 12
12.

What does the picture above represent and why?

Pitanje 13
13.

The picture above is an example of a(an)

Pitanje 14
14.

The picture above best represents which of the following?

Pitanje 15
15.

The picture above best represents which of the following? (Only the soda, NOT the ice. Choose the BEST scientific answer)

Pitanje 16
16.

The image above best represents what? (choose the BEST scientific answer)

Pitanje 17
17.

The image above best represents what?

Pitanje 18
18.

Which friend is most correct?

Pitanje 19
19.

These particles are most likely in what state?

Pitanje 20
20.

The ________ tells you how many atoms of an element are in the compound.

Pitanje 21
21.

Two or more atoms joined together is called a Molecule.

Pitanje 22
22.

What is the building block of all matter called?

Pitanje 23
23.

A substance made up of only one type of atom is called an

Pitanje 24
24.

Two or more different atoms of elements chemically combined is called a

Pitanje 25
25.

Gas particles have the least amount of kinetic energy, particles are slow, and particles virbrate.

Pitanje 26
26.

Solid has defintie shape and does not change volume

Pitanje 27
27.

Liquid does....

Pitanje 28
28.

The element chlorine is a

Pitanje 29
29.

Extra Credit

Tell me the number of molecules, number of elements, number of atoms for each element, and total atoms for 3Fe2O3