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Atoms and Isotopes

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Last updated over 5 years ago
20 questions
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Please open the Periodic Table linked below and use it throughout class today.

https://sciencenotes.org/wp-content/uploads/2017/02/KidsPeriodicTable2017.pdf
Do now: Complete questions 1-4 below.
Question 1
1.

Which subatomic particle determines the identity of an atom?

Question 2
2.

Match each of the terms below with the correct description.

Draggable itemarrow_right_altCorresponding Item
Proton
arrow_right_alt
The number of protons in an atom
Electron
arrow_right_alt
arrow_right_alt
arrow_right_alt
arrow_right_alt
Question 3
3.

Which of the following statements best describes the principle of attraction used in Thomson's cathode ray experiment?

Question 4
4.

Classwork: Complete questions 5-20 below. We will discuss certain questions in class to ensure your understanding.
Question 5
5.

Identify the following element:

Question 6
6.

Identify the following element:


Question 7
7.

Identify the following element:

Question 8
8.
  • Silicon (Si)
  • Fluorine (F)
Question 9
9.

Select all which are true

Question 10
10.

Isotopes are _____________.

Question 11
11.

How do we calculate the mass number (atomic mass) of an isotope?

Question 12
12.

Question 13
13.

Select all true for Carbon -15

Question 14
14.

Question 15
15.

Question 16
16.

Question 17
17.

Question 18
18.

Question 19
19.

Question 20
20.

Complete the exit ticket at the link here: https://forms.gle/aDqsv9dabw8G7Fno8
The number of protons and neutrons in an atom
Atomic mass
Positively-charged particle in the nucleus; has a mass of 1 amu.
Atomic number
Particle in the nucleus with no charge; has a mass of 1 amu.
Neutron
Negatively-charged particle outside the nucleus; has a mass of 0 amu.
The Periodic Table Square of Aluminum is shown below.


Which of the following best describes the number of protons, neutrons and electrons present in an aluminum atom?
13 protons, 14 neutrons, 13 electrons
13 protons, 27 neutrons, 13 electrons
27 protons, 13 neutrons, 27 electrons
14 protons, 13 neutrons, 14 electrons
14 protons, 13 neutrons, 13 electrons
Nitrogen (N)
Magnesium
Chlorine
The atom has 10 Neutrons
The atom has 9 Neutrons
The atom has 5 Protons
The atom is Ne
Select all which are true about atoms 1 and 2 below.

Atom 1 is Carbon-14
Atom 1 is Carbon-12
Atom 1 has 6 Neutrons and Atom 2 has 8 Neutrons
Atom 2 is Carbon- 14
Both atoms are identical
Both atoms are isotopes of Carbon
Atom 1 has 6 Protons and Atom 2 has 8 Protons
Atom 1 is Carbon and Atom 2 is Oxygen
Atom 2 is Carbon- 12
Both atoms have 6 Protons
It has 5 Neutrons
It has 6 Protons
Its mass number is 15
Select all true for Nitrogen -14
Its mass number is 7
It has 7 Neutrons
Its mass number is 14
It has 14 Protons
It has 8 Neutrons
It has 7 Protons
Select all true for Chromium -32
It has 52 Protons
It has 24 Protons
It has 8 Neutrons
Its mass number is 52
It has 7 Neutrons
Its mass number is 32
Select all true statements

The atom has 4 Neutrons
The atom has 3 Protons
The atom has 3 Neutrons
The atom is Lithium (Li)
Lithium - 6
The atom has 6 Protons
The atom has 6 Electrons
The mass number is 6
The atom has 3 Electrons
Lithium -3
Select all which are true

The mass number is 280
The atoms has 120 Protons
The atom is liquid at room temperature
The mass number is 200
The atom has 80 Neutrons
The atom has 80 Protons
The atom has 120 Neutrons
Select all which are true

The atom has 92 Neutrons
The mass number is 327
The atom has 92 Protons
The atoms has 235 Protons
The atom is radioactive
The mass number is 235
The atom has 143 Neutrons
Select all which are true

The atom has 29 Neutrons
The atom has 36 Neutrons
The mass number is 65
The atom has 29 Protons
The atoms has 65 Protons
The mass number is 94
Select all which are true

The atom has 48 Protons
The atom has 48 Neutrons
The mass number is 112
The mass number is 160
The atoms has 112 Protons
The atom has 64 Neutrons