FREE CHEMISTRY AND STUDY GAMES ABOUT ATOMS

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FREE CHEMISTRY AND STUDY GAMES ABOUT ATOMS

STUDY GUIDE EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -18 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: classification system of elements

Answer:

periodic table of elements

Question 2: bonding that happens when atoms share pairs of electrons

Answer:

cpvalent bond

Question 3: an atom that gains or loses electrons

Answer:

an ion

Question 4: the atomic mass is the approximate number of what?

Answer:

protons and nuetrons

Question 5: Electrons travel around the nucleus of the atom in a space called a what?

Answer:

A shell!Question 6: What makes it easier for scientist all over the world to communicate about atoms?

Answer:

chemical symbols

Question 7: What is chemistry the study of?

Answer:

Matter

Question 8: a group of atoms joined together chemically

Answer:

molecules

Question 9: The combination of gases hydrogen and oxygen form the compund what?

Answer:

Water Question 10: in the periodic table of elements, the name of the element, its chemical symbol, and its what kind of number can be found?

Answer:

stomic number

Question 11: substance with only one kind if atom

Answer:

element

Question 12: Compound are molecules,but molecules are not always what?

Answer:

Compounds

Question 13: What theory is what scientist think about atoms?

Answer:

atomic theory Question 14: Who is the Russian chemist who is responsible for developing a way to organize elements?

Answer:

Mendeleev

Question 15: the atomic number is based on the number of what an elements have?

Answer:

protons

Question 16: atom smashing machine

Answer:

particle accelerator

Question 17: Why do scientist use chemical symbols?

Answer:

It is quicker and easier to write.

Question 18: smallest piece of an element

Answer:

an atom