RC Fall Final Review

RC Fall Final Review

Assessment

Flashcard

Science

5th Grade

Hard

Created by

Wayground Content

FREE Resource

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16 questions

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1.

FLASHCARD QUESTION

Front

What is the result of 4.627 / 0.00371 rounded to the correct number of significant figures?

Back

1250

2.

FLASHCARD QUESTION

Front

If an element has 3 valence electrons, what charge will likely form on its ion?

Back

+3

3.

FLASHCARD QUESTION

Front

What is the name of the ionic compound Cr(NO2)3?

Back

chromium III nitrite

4.

FLASHCARD QUESTION

Front

How do you convert 2.4 x 10^21 formula units of magnesium hydroxide (Mg(OH)2) to grams?

Back

0.23 g Mg(OH)2

5.

FLASHCARD QUESTION

Front

What is the correct Lewis Dot Structure for ammonia (NH3)?

Back

[H] | [H]-[N]-[H] (with a lone pair on N)

6.

FLASHCARD QUESTION

Front

Define significant figures in mathematics.

Back

Significant figures are the digits in a number that contribute to its precision.

7.

FLASHCARD QUESTION

Front

What is a valence electron?

Back

A valence electron is an electron in the outermost shell of an atom that can participate in chemical bonding.

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