The Simplest Matter

Test Description: Glenco 6th science va

Instructions: Answer all questions to get your test result.

1) An example of a synthetic element is __________.

2) The __________ is a chart created by chemists to organize the elements.

3) An element's atomic number is the number of __________ in the nucleus of each atom of that element.

4) The atomic number of manganese is 25; its mass number is 55. How many neutrons does an atom of manganese have in its nucleus?

5) Atoms of the same element that have different numbers of neutrons are called?

6) Which of the following best describes the three general groups of elements?

7) Which of the following is characteristic of most metals?

8) What group contains elements that are gases at room temperature?

9) The atomic mass of an element is __________ of that element.

10) An atom containing six positive charges and six negative charges has __________ charge.


*select an answer for all questions

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