Questions 2.0

Question 1

Draw a model of any atom, using the atomic number

Answer 1

check yr science notes- Its the diagram of the atom with the small circles

Question 2

Write the Electronic Configuration of an atom, given the atomic number

Answer 2

Depending on the atomic number (which is also the amount of electrons) this changes the electronic configuration in the shells of an atom. Remember 1st shell holds 2 electrons, second holds 8, third holds 8 and so on. Go to your notes for more.

Question 3

Locate at least 5 metals and non-metals within the periodic table (we have 10 examples for you to memorise)

Answer 3

Metals;

• Lithium (Li)
• Sodium (Na)
• Potassium (k)
• Magnesium (Mg)
• Calcium (Ca)

Non-Metals;

• Carbon (C)
• Nitrogen (M)
• Oxygen (O)
• Hydrogen (H)
• Chlorine (Cl)

Question 4

How to write a chemical formula

Answer 4

For example; (metals ALWAYS go first)

Magnesium & Oxygen= MgO

Question 5

How to balance equations

Answer 5

(Look at your notes book)

Balance the metals and non-metals when coming together to form a bond.