Q1 Topic 1

Front

Which subatomic particle has a negative charge?

Back

Electron is the subatomic particle that has a negative charge.

Front

What type of solution is 60g NaNO3 at 40ºC in 100g H2O?

Back

The solution is Unsaturated, meaning it can still dissolve more solute.

Front

Which group of the periodic table is composed of inert gases?

Back

Noble gases are the group of the periodic table that consists of inert gases.

Front

What is the negative particle in an atom?

Back

The negative particle in an atom is the electron.

Front

What is the chemical formula for chlorine gas?

Back

The chemical formula for chlorine gas is Cl2.

Front

Define a saturated solution.

Back

A saturated solution is one in which no more solute can dissolve at a given temperature.

Front

What are protons?

Back

Protons are positively charged subatomic particles found in the nucleus of an atom.

Front

What is the charge of neutrons?

Back

Neutrons have no charge; they are neutral particles.

Front

What is the atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom, determining the element's identity.

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.