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Biblioteka

Classifying & Counting Matter Test 2023

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Posljednje ažuriranje about 1 year ago
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Pitanje 30
30.

Categorize the following terms as an element, compound, or mixture

  • Pure Snow (H2O)

  • Christmas Tree

  • 🎶 5 Golden (Au) Rings 🎶

  • Candy Cane

  • Element

  • Compound

  • Mixture

Pitanje 31
31.
Pitanje 32
32.
Pitanje 33
33.
Pitanje 34
34.
Pitanje 35
35.

In a chemical formula, such as 3C(H2O)4 , atoms inside the parentheses represent pre-existing molecule(s) of H2O that bonded with carbon.

Pitanje 36
36.

In the chemical formula 3C(H2O)4 ,

4 is the coefficient

Pitanje 37
37.

All compounds are molecules but not all molecules are compounds.

Pitanje 38
38.

All pure substances can be broken down into simpler substances by physical means

Pitanje 39
39.

What does the "3" in this chemical formula for sucrose tell us? 3C12H22O11

Pitanje 40
40.

What type of chemical bond is present in the compound 3C12H22O11

COUNTING ATOMS: Answer the next 4 questions below for the chemical equation

3Pb(OH)2 + 2HCl → 3H2O + Pb3Cl2.

Cl = chlorine*

Pitanje 41
41.

Total number of atoms on the PRODUCT side of the equation above

Pitanje 42
42.

Total number of Hydrogen atoms on the reactant side of the equation above

Pitanje 43
43.

How many pre-existing molecules of OH did Lead (Pb) bond to?

Pitanje 44
44.

What type of bond exists between the elements Pb (lead) and Cl (chlorine) in the compound Pb3Cl2?

Hint: This substance would form a crystal lattice when bonding with other Pb3Cl2

Pitanje 45
45.

Two or more atoms that are chemically bonded/combined

(they can be the same type of atom or from different types of atoms; as long as there is MORE THAN ONE atom present)

ALL OF THESE ARE AN EXAMPLE OF THIS TERM

Pitanje 46
46.
Drugi mogući odgovor:
created
forms
destroyed
change
cannot
Pitanje 47
47.

Explain how and why an ionic bond forms. Be specific and over-explain.

PLEASE READ THE HINTS BELOW.

Pitanje 1
1.
Pitanje 2
2.
Pitanje 3
3.
Pitanje 4
4.
Pitanje 5
5.
Pitanje 6
6.
Pitanje 7
7.
Pitanje 8
8.
Pitanje 9
9.
Pitanje 10
10.
Pitanje 11
11.
Pitanje 12
12.
Pitanje 13
13.
Pitanje 14
14.
Pitanje 15
15.
Pitanje 16
16.
Pitanje 17
17.
Pitanje 18
18.

Type the capital letter that represents the term from the list that is associated with this definition.

(You will use some answers more than once)

Pitanje 19
19.

Type the capital letter that represents the term from the list that is associated with this definition.

(You will use some answers more than once)

Pitanje 20
20.

Type the capital letter that represents the term from the list that is associated with this definition.

(You will use some answers more than once)

Pitanje 21
21.

Type the capital letter that represents the term from the list that is associated with this definition.

(You will use some answers more than once)

Pitanje 22
22.

Type the capital letter that represents the term from the list that is associated with this definition.

(You will use some answers more than once)

Pitanje 23
23.

Type the capital letter that represents the term from the list that is associated with this definition.

(You will use some answers more than once)

Pitanje 24
24.

Type the capital letter that represents the term from the list that is associated with this definition.

(You will use some answers more than once)

Pitanje 25
25.

Type the capital letter that represents the term from the list that is associated with this definition.

(You will use some answers more than once)

Pitanje 26
26.

Type the capital letter that represents the term from the list that is associated with this definition.

(You will use some answers more than once)

Pitanje 27
27.

Select every letter representing a box on the left that is an example of an element

Pitanje 28
28.

Select every letter representing a box on the left that is an example of a compound

Pitanje 29
29.

Select every letter representing a box on the left that is an example of a mixture