Physical Science Benchmark

Front

What is a type of mixture in which different parts can easily be seen?

Back

Heterogeneous mixture

Front

What type of element is represented by the symbol 'Be'?

Back

Beryllium

Front

What are the vertical columns in the periodic table called?

Back

Groups

Front

An atom is neutral if...

Back

The number of protons = electrons

Front

What is the term for a material that slows down the flow of electricity and converts some electrical energy into heat?

Back

Resistance

Front

What is a homogeneous mixture?

Back

A mixture where the components are uniformly distributed and cannot be easily distinguished.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.

Front

What is the definition of a solution?

Back

A homogeneous mixture where one substance (solute) is dissolved in another (solvent).

Front

What is the role of neutrons in an atom?

Back

Neutrons contribute to the mass of the atom and help stabilize the nucleus.