Unit 3 review
This presentation is the property of its rightful owner.
Sponsored Links
1 / 26

Unit 3 Review PowerPoint PPT Presentation


  • 40 Views
  • Uploaded on
  • Presentation posted in: General

Unit 3 Review. Hydrogen-2 and Hydrogen-3 are : Different elements Ions Isotopes nuclei. What sub-atomic particle has a positive charge ? Neutron Proton Electron quark. An atom has 20 protons, 21 neutrons, and 18 electrons . What element is this?.

Download Presentation

Unit 3 Review

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


Unit 3 review

Unit 3 Review


Unit 3 review

Hydrogen-2 and Hydrogen-3 are:

  • Different elements

  • Ions

  • Isotopes

  • nuclei


Unit 3 review

What sub-atomic particle has a positive charge?

  • Neutron

  • Proton

  • Electron

  • quark


Unit 3 review

An atom has 20 protons, 21 neutrons, and 18 electrons.

What element is this?


Unit 3 review

An atom has 20 protons, 21 neutrons, and 18 electrons.

What is this element’s mass #?


Unit 3 review

An atom has 20 protons, 21 neutrons, and 18 electrons.

Write the hyphen notation for this element.


Unit 3 review

An atom has 20 protons, 21 neutrons, and 18 electrons.

Write the nuclear symbol for this element.


Unit 3 review

If the number of an element’s electrons changed, the atom would be known as-

  • A new element

  • An ion

  • An isotope

  • A nucleus


Unit 3 review

What is the name of Group 1?


Unit 3 review

What is the name of Group 2?


Unit 3 review

What is the name of Group 17?


Unit 3 review

What is the name of Group 18?


Unit 3 review

Convert 0.030L to scientific notation.


Unit 3 review

Lead-207 has ______ neutrons.


Unit 3 review

A neutral isotope, magnesium-25, has

_____ electrons

_____ protons

_____ neutrons


Unit 3 review

As an atom of F forms a F-1 ion, the number of protons in its nucleus

  • Increase

  • Decreases

  • Remains the same

  • Is equal to the number of electrons


Unit 3 review

Which of the following is an extensive physical property?

  • Density

  • Mass

  • Color

  • Boiling point


Unit 3 review

Which of the following is an intensive physical property?

  • Length

  • Volume

  • Color

  • mass


Unit 3 review

Where in the atom can electron NOT be found?


Unit 3 review

What is the atomic number for aluminum?


Unit 3 review

2+

# of protons __________

# of neutrons__________

# of electrons__________


Unit 3 review

1-

# of protons __________

# of neutrons__________

# of electrons__________


Unit 3 review

Calculate the average atomic mass of copper from the following 2 isotopes:

Cu-63 has a mass of 62.9298 amu & an abundance of 69.09%

Cu-65 has a mass of 64.9278 amu and an abundance of 30.91%


Unit 3 review

Which element is most chemically similar to Cl?

Neon (Ne)

Iodine (I)

Sulfur (S)


Unit 3 review

The amount of energy required to release one outermost electron is called:

  • Electronegativity

  • Ionization Energy

  • Atomic Energy

  • Ionic Energy


Unit 3 review

Who discovered the nucleus by bombarding gold foil with positively charged particles?

  • Thompson

  • Dalton

  • Rutherfor

  • Bohr


  • Login