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Periodic Table, Acids, and Bases
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
What 2 types of substances should be mixed to form a neutralization reaction?
2 Bases
1 Acid and 1 Base
Salt and Water
2 Acids
2
Oxygen is in family 16. How many hydrogens does it need to have 8 valence electrons?
3
1
2
4
3
2 chemicals were mixed together and formed carbon dioxide bubbles. What happened?
Physical change
Water was formed.
Chemical Change
A salt was formed.
4
Which principle requires all chemical reactions to balance?
Conservation of Chemicals
Conservation of Momentum
Conservation of Energy
Conservation of Mass
5
Sodium is in family 1. Which of the following statement is correct?
Sodium is a transition metal.
Sodium is a Nobel Gas.
Sodium has one valence electron.
Sodium is a nonmetal.
6
Which statement is true of Family 17?
They are extremely reactive.
They are inert (nonreactive) elements.
They all have 8 electrons.
They are all metals.
7
What type of element is shiny, hard, and conducts electricity?
Halogen
Metal
Nobel Gas
Nonmetal
8
How many atoms of hydrogen are in the formula 4H
2
O?
8
2
1
4
9
A substance has a pH of 7. What type of substance is it?
Base
Acid
Neutral
Salt
10
Na, Sodium, is in family 1 Cl, Chlorine, is in family 17. What type of bond do they form?
Ionic
Nobel
Metallic
Covalent
11
Manganese is in family 7 of the periodic table. Which of the following statements is correct?
It has 1 valence electron.
It is a Nobel Gas.
It has 8 valence electrons.
It conducts electricity well.
12
What type of elements form covalent bonds?
Metals and nonmetals
Nobel Gases and Alkali Metals
Transition Metals and Halogens
Nonmetals and nonmetals
13
Salt dissolving in water is an example of what?
Chemical Change
Physical Change
Neutralization
Chemical Reaction
14
What are the products of photosynthesis?
Sugar and Energy
Sugar and Water
Sugar and Oxygen
Water and Oxygen
15
Which statement is true of all families of the periodic table?
They are all nonmetals.
They all conduct electricity.
They are all metals.
They all have similar properties.
16
A substance forms hydroxide ions in solution. What type of substance is it?
Acid
Salt
Base
Neutral
17
What is true of the Nobel Gases?
They all have 7 electrons.
They are all metals.
They are all inert (nonreactive) elements.
They all conduct electricity.
18
What is NaCl?
Sodium hyroxide
Glucose
Methane
Table Salt
19
What are the products of a neutralization reaction?
Salt
Salt and Vinegar
Water
Salt and Water
20
A substance has a pH of 2.4. What type of substance is it?
Neutral
Salt
Base
Acid
