1st semester chemistry REVIEW

Front

What does a bullseye demonstrating Low Accuracy & High Precision indicate?

Back

It indicates that the results are clustered closely together (high precision) but are far from the target value (low accuracy).

Front

What is a positively charged ion called?

Back

Cation.

Front

How is an isotope formed?

Back

An isotope is formed when an atom gains or loses neutrons.

Front

What occurs when an atom gains or loses electrons?

Back

An ion is formed.

Front

What is the charge and location of protons?

Back

Protons have a positive charge and are located in the nucleus.

Front

What is the definition of an anion?

Back

An anion is a negatively charged ion.

Front

What is the difference between an atom and an ion?

Back

An atom is neutral, while an ion has a net charge due to the loss or gain of electrons.

Front

What is the role of neutrons in an atom?

Back

Neutrons contribute to the atomic mass and stabilize the nucleus.

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom.

Front

What is the significance of the periodic table?

Back

The periodic table organizes elements based on their atomic number and properties.