Chemistry Semester 1 Review

Chemistry Semester 1 Review

Assessment

Flashcard

Chemistry

9th - 12th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the definition of matter?

Back

Matter is anything that has mass and takes up space.

2.

FLASHCARD QUESTION

Front

What are the three states of matter?

Back

Solid, liquid, and gas.

3.

FLASHCARD QUESTION

Front

What is the periodic table?

Back

A tabular arrangement of elements organized by increasing atomic number, showing periodic trends.

4.

FLASHCARD QUESTION

Front

What are valence electrons?

Back

Electrons in the outermost shell of an atom that determine its chemical properties.

5.

FLASHCARD QUESTION

Front

How do you convert a number to scientific notation?

Back

Move the decimal point to create a number between 1 and 10, then multiply by 10 raised to the power of the number of places moved.

6.

FLASHCARD QUESTION

Front

What is the formula for calculating pressure using the ideal gas law?

Back

PV = nRT, where P is pressure, V is volume, n is number of moles, R is the gas constant, and T is temperature in Kelvin.

7.

FLASHCARD QUESTION

Front

What is an isotope?

Back

Atoms of the same element that have the same number of protons but different numbers of neutrons.

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