Elements and the Periodic Table

Front

What did Ernest Rutherford conclude from his gold foil experiment regarding the structure of the atom?

Back

Rutherford concluded that an atom's positive charge must be clustered in a tiny region in its center, known as the nucleus.

Front

What is the purpose of scientific models in scientific theories?

Back

Scientific models are representations of an idea that help scientists understand concepts that cannot be observed directly.

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Front

What is a chemical symbol?

Back

A chemical symbol is a one or two-letter designation used to represent an element on the periodic table.

Front

What are the horizontal rows in the periodic table called?

Back

The horizontal rows in the periodic table are known as periods.

Front

What property do elements that easily transmit electricity and heat exhibit?

Back

Elements that easily transmit electricity and heat exhibit the property known as conductivity.

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Front

What is the significance of the periodic table in chemistry?

Back

The periodic table organizes elements based on their atomic number, electron configuration, and recurring chemical properties.

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Front

What is the difference between groups and periods in the periodic table?

Back

Groups are the vertical columns in the periodic table, while periods are the horizontal rows.

Front

What is an atom?

Back

An atom is the smallest unit of an element that retains the properties of that element.

Tags

NGSS.MS-PS1-1

Front

What are the three main subatomic particles in an atom?

Back

The three main subatomic particles are protons, neutrons, and electrons.

Front

What is the charge of a proton?

Back

A proton has a positive charge.