Chemistry Fundamentals C1

What is a particle?

• An incredibly big object

• A normal sized object

• An incredibly tiny object

• A proton

What is an atom?

• A particle made from protons

• A particle made from neutrons

• A particle made from electrons

• A particle made from protons, neutrons and electrons

Which of these is not a subatomic particle?

• proton

• neutron

• electrode

• electron

Protons and neutrons exist in the ____________

What is an element?

• a substance made from only one type of atom

• a substance made from 2 or more atoms chemically bonded

• a substance made from 2 or more atoms not chemically bonded

How many different types of atom are there in an element?

What is a mixture?

• 2 or more elements that are not chemically combined?

• 2 or more elements that are chemically combined

• a substance made from only one type of atom

What is the symbol for hydrogen?

what is the symbol for water?

• H2O

• H2SO4

• HCl

• HNO3

What do all acids have in common?

• H+

• OH-

• Na+

• Cl-