Chemistry - Elements

What is the chemical symbol of the element 'Carbon'

• C

• Ca

• Cr

• Carb

What is this?

• A mixture

• A compound

• An element

• A Solution

Is this formula unbalanced? And if so, what is the balanced formula?

• It is balanced, so no need to balance the equation.

• It is unbalanced, and the balanced formula is '3N₂ + H₂ --> 2NH₃'.

• It is unbalanced, and the balanced formula is 'N₂ + 3H₂ --> 2NH₃'.

• It is unbalanced, and the balanced formula is '2N₂ + 3H₂ --> NH₃'.

What is an Element?

• A substance that can't be broken down into other substances

• The trio: Fire, Water, Ice

• Who knows?

• A mixture of two substances

Which group of elements is a non-metal group

• Neon, Argon, Iodine

• Hydrogen, Oxygen, Beryllium

• Francium, Barium, Mercury

• Thallium, Sulphur(sulfur), Boron

What is an Alkali Metal

• It is the first column of elements of the periodic table and reacts aggressively.

• It is the third column of elements of the periodic table doesn't react aggressively.

• It is the last column of elements in the periodic table that reacts aggressively

• It is the second last column of the periodic table that reacts aggressively

What is a non-metal

• A substance that is a hard solid

• An element or substance that is not a metal

• An element or substance that is both hard and not hard

• The lanthanide elements

What is a metal element

• An element or substance that is hard when in solid state, opaque, shiny, and has good electrical and thermal conductivity.

• An element or substance that is not hard

• An element or substance that is unknown

• Part of the Halogen group

What is a Metalloid?

• An element or substance that is semi-hard. It is also another term for semi metal.

• An element or substance that is hard, but not opaque

• Two metals mixed together

• Two metals in a compound