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Atoms and Isotopes

Last updated about 5 years ago
20 questions
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.
1

Which subatomic particle determines the identity of an atom?

1

Match each of the terms below with the correct description.

Draggable itemCorresponding Item
Proton
The number of protons in an atom
Atomic number
The number of protons and neutrons in an atom
Atomic mass
Positively-charged particle in the nucleus; has a mass of 1 amu.
Neutron
Particle in the nucleus with no charge; has a mass of 1 amu.
Electron
Negatively-charged particle outside the nucleus; has a mass of 0 amu.
1

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

1

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?

Classwork: Complete questions 5-20 below. We will discuss certain questions in class to ensure your understanding.
1

Identify the following element:

1

Identify the following element:


1

Identify the following element:

1
  • Silicon (Si)
  • Fluorine (F)
  • Magnesium
  • Chlorine
1

Select all which are true

1

Isotopes are _____________.

1

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

1

Select all which are true about atoms 1 and 2 below.

1

Select all true for Carbon -15

1

Select all true for Nitrogen -14

1

Select all true for Chromium -32

1

Select all true statements

1

Select all which are true

1

Select all which are true

1

Select all which are true

1

Select all which are true

Complete the exit ticket at the link here: https://forms.gle/aDqsv9dabw8G7Fno8