Chemistry Quiz 19 (25 MCQs)

Quiz Instructions:

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1. Two or more atoms chemically bonded

2. The amount of matter that an object has is its

3. Moles of carbon (C) is equal to how many grams?

4. What determines the reactivity of an element?

5. Two or more elements that combine chemically.

6. An atom has 23 protons and 29 neutrons. Which is the correct isotope for this atom?

7. Which pair of formulas represents two compounds that are electrolytes?

8. What subatomic particle has a negative charge?

9. A mole of Lithium is _____ to a mole of Carbon.

10. A substance that is made up for one type of atom is called an

11. The gas used for artificial ripening of green fruit is?

12. It is a number of protons inside the nucleus of an atom.

13. The ability of a metal to allow heat or electricity to pass through it.

14. Which of the following elements behave chemically both as a metal and a non metal?

15. Mass of 2 Moles of H2O is

16. Positively charged particles found in the nucleus of an atom

17. What word describes when a molecule is not attracted to water?

18. How many formula units (molecules) are in 1 mole of NaCl?

19. Bleaching action of chlorine is by

20. Discovered the Electrons _____

21. To get salt out of a solution, we could use _____

22. Which pH indicates an alkaline solution?

23. It cannot be simplied

24. What compound is considered the universal solvent

25. Which of the following does NOT form a precipitate?