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Biblioteka

Matter and Periodic Table

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Matter and Periodic Table Schoolnet QuestionsA

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Pitanje 1
1.

Which process is most effective for separating sodium chloride from salt water solution?

Pitanje 2
2.

In which state of matter will the atoms of an element be tightly pack together?

Pitanje 3
3.

Which does silicon dioxide (SiO2) represent?

Pitanje 4
4.

When elements chemically combine with each other what do they form?

Pitanje 5
5.

Which best explains how atoms combine to form compounds?

Pitanje 6
6.

Which is true about the way atoms of elements combine to form a compound?

Pitanje 7
7.

Calcium Carbonate (CaCo3) is considered a compound because it is made up of two or more

Pitanje 8
8.

If two compounds contain exactly the same elements, how can the compounds have different chemical properties?

Pitanje 9
9.

How are elements arranged on the periodic table?

Pitanje 10
10.

Which best represents a heterogeneous mixture?

Pitanje 11
11.

An element X, contains 14 protons, 15 neutrons and 14 electrons, which is most like the same element as X?

Pitanje 12
12.

What is the ratio of elements in glucose (C6H12O6

Pitanje 13
13.

How many elements are in one molecule of glucose (C6H12O6)?

Pitanje 14
14.

If a highly reactive metal with one valence electron is discovered in which group will the element best fit?

Pitanje 15
15.

Which is the best example of a homogeneous mixture?