Unit 3 review

Last updated over 3 years ago
25 questions
1

Define atomic number

1

Define Mass Number

1

Explain the set-up, results, and meaning of Rutherford's Gold Foil Experiment.

1

An Isotope of Boron is B-11. It has a charge of +3
What is the atomic number?

1

An Isotope of Boron is B-11. It has a charge of +3. What is the mass number?

1

An Isotope of Boron is B-11. It has a charge of +3
What is the number of protons?

1

An Isotope of Boron is B-11. It has a charge of +3
What is the number of neutrons?

1

An Isotope of Boron is B-11. It has a charge of +3
What is the number of electrons?

1

An isotope of Phosphorus has an mass of 32 and a charge of -3
What is the atomic number?

1

An isotope of Phosphorus has an mass of 32 and a charge of -3
What is its mass number?

1

An isotope of Phosphorus has an mass of 32 and a charge of -3
What is the number of protons?

1

An isotope of Phosphorus has an mass of 32 and a charge of -3
What is the number of neutrons?

1

An isotope of Phosphorus has an mass of 32 and a charge of -3
What is the number of electrons?

1

An atom has an atomic number of 1, a mass number of 3 and a charge of -2. Draw the atom with orbitals/shells

1

What is the name of the atom that your drew in questions #14?

1

How many electrons do Hydrogen and Helium need for a full outer electron (valence) shell?

1

How many electrons do all elements other than Hydrogen and Helium for a full outer electron (valence) shell?

1

Draw the Lewis dot structure for Hydrogn

1

Draw the Lewis dot structure for Nitrogen

1

Draw the Lewis dot structure for the compound F2

1

Draw the Lewis dot structure for H20

1

Define ionization energy

1

Put the following elements in order from largest to smallest first ionization energy

1

An element has three naturally occurring isotopes. The isotope with a mass number of 24 has an actural atomic mass of 23.985 amu and has a relative abundance of 78.99%. The idotope with a mass number of 25 has an actual atomic mass of 24.986 amu and a relative abundance of 10.00%. The isotope with a mass number of 26 has an actual tomic mass of 25.983 amu and has a relative abundance of 11.01%

Caluculate the average atomic mass and show your work

1

What is the name of the element discussed in #24?