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Periodic Table and Atoms PRACTICE FLASHCARD

Periodic Table and Atoms PRACTICE FLASHCARD

Assessment

Flashcard

Science

7th 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 an atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom, which also equals the number of electrons in a neutral atom.

2.

FLASHCARD QUESTION

Front

Which elements have similar chemical and physical properties?

Back

Elements in the same group (column) of the periodic table have similar properties. For example, K (Potassium), Cs (Cesium), and Fr (Francium) are in Group 1.

3.

FLASHCARD QUESTION

Front

True or False: Electrons and Protons are attracted to each other.

Back

True. Electrons are negatively charged and protons are positively charged, leading to an attractive force between them.

4.

FLASHCARD QUESTION

Front

True or False: Elements with a low melting point generally have high reactivity.

Back

True. Many nonmetals and alkali metals have low melting points and are highly reactive.

5.

FLASHCARD QUESTION

Front

What happens to oppositely charged particles?

Back

Oppositely charged particles attract each other.

6.

FLASHCARD QUESTION

Front

What is the role of electrons in an atom?

Back

Electrons are negatively charged particles that orbit the nucleus and are involved in chemical bonding.

7.

FLASHCARD QUESTION

Front

What are groups in the periodic table?

Back

Groups are vertical columns in the periodic table that contain elements with similar chemical properties.

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