Do you have chemistry within you?

Which statements are true regarding on the substance shown in picture?

• Attraction force between particles is very strong

• Particles are closely packed but not in an orderly manner

• Particles are far appart

• Kinetic energy of particles is moderate

Which statement is true about the atom shown in the picture?

• It has 8 valence electron.

• It has 8 protons in it's nucleus.

• This atom has achieved stable electron arrangement.

• It is a metal element.

• I

Which statement is true about the atom of element shown in the picture?

• It has 27 electrons in it's shells.

• It has 13 neutrons in its nucleus.

• The electron arrangement of the atom is 2.8.3

• 27 is the value of the total of protons and electrons

The picture shows an atomic structure of three atoms, which of the following is true about the phenomenon?

• They are different element.

• All three of them have simillar physical properties.

• All three of them have simillar chemical properties.

What is the chemical formula for Iron(III) carbonate?

• (Fe)₂(CO)₃

• Fe₃CO₃

• Fe₂(CO₃)₃

What is the name of these compound with chemical formula of Pb₃(PO₄)₂

• Lead phosphate

• Lead(II) phosphate

• Lead(II) phosphorus trioxide

What is the name of a molecular compound with chemical formula, CCl₄?

• Carbon tetrachloride

• Methane tetrachlorine

• Methane tetrechloride

X, Y and Z are numbers to balanced the chemical equation, determine the value of X, Y and Z

• X = 4, Y = 1, Z = 2

• X = 4, Y = 1, Z = 1

• X = 2, Y = 1, Z = 2

Why lithium and sodium belongs to the same egroup in the Periodic Table of Elements?

• They have simillar physical properties.

• They have simillar number of shells in their atom.

• They have simillar chemical properties.

• They have simillar amount of neutrons in their nucleus.

The electron arrangement of magnesium atom is 2.8.2, in order to achieve stable electron arrangement magnesium atom need to...

• accept electron

• donate electron

• share electron with other atom