S1 exam

S1 exam

Assessment

Flashcard

Chemistry

11th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is scientific notation?

Back

A way of expressing numbers that are too large or too small to be conveniently written in decimal form, using powers of ten.

2.

FLASHCARD QUESTION

Front

In scientific notation, should the power be positive or negative for the number 590760?

Back

Positive

3.

FLASHCARD QUESTION

Front

How many minutes are in a school year of 187 days? (24 hrs. in a day)

Back

269,280 min.

4.

FLASHCARD QUESTION

Front

How do you calculate the number of minutes in a school year?

Back

Multiply the number of days by 24 hours and then by 60 minutes: 187 days * 24 hrs/day * 60 min/hr.

5.

FLASHCARD QUESTION

Front

What is the formula to convert liters to gallons?

Back

Gallons = Liters / 3.79

6.

FLASHCARD QUESTION

Front

How many gallons are in a pool that holds 758,000 Liters? (1 gallon = 3.79 Liters)

Back

200,000 gallons

7.

FLASHCARD QUESTION

Front

What defines an element in chemistry?

Back

An element is defined by its number of protons.

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