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Unit 7 Test Physical Science

Last updated about 4 years ago
46 questions
1

Which element is in group 4, period 5

1

Which element is in group 2, period 2

1

Which element is in group 6, period 6

1

Which element is in group 18, period 6

1

What part of the atom has a negative charge?

1

What part of the atom has a no charge?

1

What is found in the center of an atom

1

What subatomic particles are found in the nucleus? Check all that apply

1

An electron is found...

1

Identify the following element:

1

Identify the following element:


1

Identify the following element:

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

Isotopes are _____________.

1

Select all which are true

1

How do we calculate the mass number of an isotope?

1

Select all true for Carbon -15

1

Select all true for Nitrogen -14

1

A particle in the nucleus with no electrical charge is known as a(n)

2

Construct a Bohr model for Carbon

2

Construct a Bohr model for magnesium

2

Construct a Bohr model for sulfur

1

How many VALENCE ELECTRONS are in phosphorus?

1

Potassium has an atomic number of 19 and a mass number of 39. So, it has _________________neutrons.

1

In the Periodic Table, the vertical columns that extend down the Periodic Table are called

1

Hydrogen is located in Group_________of the Periodic Table.

1

This element has 34 Protons

1

This element has 8 electrons when it is a nuetral atom.

1

This element has an average atomic mass of 19

1

Al has this many protons

1

Rb has this many valence electrons.

1

Lithium

1

Boron

1

Germanium

1

Sodium

1

What metalloid is in period 3?

1

Identify the properties of metals (select all that apply):

1

Luster

1

On the left side of the periodic table

1

semiconductors

1

aluminum

1

brittle

1

arsenic

1

What is the oxidation number of nitrogen?

1

Give an example of an element with similar properties to calcium.

1

How many VALENCE electrons does fluorine have?