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Chemistry Assessment 1

Last updated over 5 years ago
36 questions
1

What are the 3 subatomic particles found in the atom?

1

Which subatomic particle(s) are found outside the nucleus?

1

Which subatomic particle(s) are found in the nucleus?

1

Which two subatomic particle(s) are nearly the same size?

1

Which subatomic particle is the smallest in size?

1

What is the charge of the an electron?

1

The mass of an atom is located in the nucleus, whereas the volume (space the atom takes up) is in the electron cloud.

1

The Atomic Number of an Element Determines the Number of Which Subatomic Particle?

1

Define the term "Isotope," and state an example of an isotope.

1

This element has 34 Protons.

1

This element has 20 neutrons.

1

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

1

This element has a mass number of 79.

3

Draw a Bohr Diagram of Carbon

3

Draw a Bohr Diagram of Hydrogen

1

Protons have a ________ charge.

1

This element usually has no neutrons.

1

Al has this many protons.

1

Rb has this many valence electrons.

1

This person created the Periodic Table.

1

Draw an atom of Argon.

1

Using the periodic table, what is number of protons or electrons in the element with chemical symbol Ag?

1

Using the periodic table, what is number of neutrons in the element with chemical symbol Al?

1

Using the Chart above, what is mass number of the element with an atomic number of 78?

1

If a highly reactive metal with one valence electron is discovered in which group will the element best fit?

1

How are elements arranged on the periodic table?

1

Rank the elements with Physical and Chemical properites similar to those of Oxygen or Lithium.

  • Potassium (K)
  • Sulfur (S)
  • Sodium (Na)
  • Selenium (Se)
  • Cesium (Cs)
  • Neon (Ne)
  • Oxygen (O)
  • Lithium (Li)
1

Isotopes are atoms of the same element with the same number of protons and

1

In an element with a neutral charge, the atomic number is equal to the number of

1

What is the maximum number of electrons that are allowed on the second shell/orbit?

1

An atom can be identified by the number of_______________in the nucleus of an atom.

1

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

1

Which of the following would be an isotope of aluminum?

1

How many valence electrons does oxygen have?

1

Which elements will have similar chemical and physical properties to nitrogen?

1

What is the electron configuration of Sodium?