Atoms, Elements And Molecules 3

Test Description: Practice test questions covering matter, atoms, mixtures, compounds, elements and the periodic table.

Instructions: Answer all questions to get your test result.

1) Which of the following is a compound?

2) Atoms chemically bonded.

3) All of one atom.

4) Electrons have a ________ charge.

5) CH4 is the chemical formula for methane. Methane consists of which of the following elements?

6) Every atom of the same element has the same atomic number.

7) What is the name of the element on the periodic table with the symbol Na?

8) Which of the following is the chemical symbol for Mercury?

9) What element has 14 protons?

10) What is the atomic mass of Aluminum (Al)?


*select an answer for all questions

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