Elements & Compunds

A substance that contains two or more atoms or more different elements bonded together is called a...?

• Atom

• Compund

• Mixture

What is this a model of? How do you know?

• Mixture

• Compound

• Element

What is this a model of? How do you know?

• Mixture

• Compound

• Element

What is this a model of? How do you know?

• Mixture

• Compound

• Element

Water is a liquid made of two hydrogen atoms and one oxygen atom(H20). So what is it?

• Element

• Compound

• Mixture

chemical reactions such as ​ (a)   change, precipitate formation (two solubles make an ​ (b)   ) , release of ​ (c)   , and/or a detectable ​ (d)   change

• colour
• gas
• energy
• insoluble

What do you call the substance that takes part in and undergoes change in a chemical reaction?

• reactant

• product

• nucleus

• atom

A new material or substance formed in a chemical reaction is called a...?

• compound

• mixture

• reactant

• product

Table salt has the chemical name Soduim Chloride (NaCl). So it must be a...?

• Mixture

• Compound

• Element

When we make a compound of two elements, we give the suffix (word ending) ide e.g. Sodium Chloride or Hydrogen Peroxide. ​

• True

• False