453029
Questão 1
Questão
Tick the correct charges for the following: Neutrons, Protons, Electrons.
Responda
-
Electrons = Negative
-
Neutrons = Postive
-
Protons = Negative
-
Neutrons = No charge
-
Electrons = No charge
-
Protons = Positive
Questão 2
Questão
Every shell in an atom can contain 8 electrons when full.
Responda
- True
- False
Questão 3
Questão
Which atom particles have the same number in an atom?
Responda
-
Protons have the same amount as Neutrons.
-
Neutrons have the same amount as Electrons.
-
Electrons have the same amount as Protons.
Questão 4
Questão
Choose the correct relative masses of the following atomic particles: Neutrons, Protons, Electrons.
Responda
-
Electrons = 1
-
Protons = 1/2
-
Neurons = 1
-
Protons = 1
-
Neutrons = 0
-
Electrons = 1/2000
Questão 5
Questão
The top number is the atomic number and the bottom number is the mass number.
Image:
periodic_table (image/png)
Responda
- True
- False
Questão 6
Questão
What is an isotope?
Responda
-
A different atomic form of the same element which have the same number of Neutons but different number of Electrons.
-
A same atomic form of the different element which have the same number of Protons but different number of Neutrons.
-
A different atomic form of the same element which have the same number of Protons but different number of Neutrons.
-
A different atomic form of the same element which have the same number of Neutons but different number of Positrons.
Questão 7
Questão
What is the difference between Periods in the Periodic Table and Groups in the Periodic Table?
Responda
-
Periods tell you how many electrons are in the outer shell, and Groups tell you how many shells there are.
-
Periods tell you how many shells there are, and Groups tell you how many electrons are in the outer shell.
-
Periods tell you how much bigger the atomic number is, and Groups tell you how much bigger the mass number is.
-
Periods tell you that an element is a metal, and Groups tell you that it is a gas.
Questão 8
Questão
Ionic bonding is the sharing of electrons.
Responda
- True
- False
Questão 9
Questão
Covalent bonding is the sharing of electrons.
Responda
- True
- False
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