Elements and Their Properties

Elements and Their Properties

Assessment

Flashcard

Chemistry

9th - 12th Grade

Practice Problem

Easy

Created by

Adelia Putri

Used 3+ times

FREE Resource

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99 questions

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1.

FLASHCARD QUESTION

Front

This element is a diatomic gas and is seen as a clean fuel for the future – generated from

water and returning to water when oxidised.

Back

Hydrogen

2.

FLASHCARD QUESTION

Front

This element is the most common element in the universe making up about 75% of the

mass of the universe. It is found in the sun and most stars.

Back

Hydrogen

3.

FLASHCARD QUESTION

Front

This element is a diatomic gas is highly flammable and makes a ‘pop’ when ignited.

Back

Hydrogen

4.

FLASHCARD QUESTION

Front

Deuterium and tritium are isotopes of this element.

Back

Hydrogen

5.

FLASHCARD QUESTION

Front

This element is less dense than air and used in decorative balloons to keep them up in the air.

Back

Helium

6.

FLASHCARD QUESTION

Front

This element is the second most common element in the universe making up about

24% of the mass of the universe. It is found in the sun and most stars.

Back

Helium

7.

FLASHCARD QUESTION

Front

This element is used to provide an inert protective atmosphere for making fibre optics and semiconductors.

Back

Helium

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