Font size
WorksheetsDo you have chemistry within you?
Total questions: 13
Worksheet time: 7mins
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
Which statements are true about the compound in the picture?
do not conduct electricity in all states.
conduct electricity in molten or aqueous states
highly soluble in water
low melting point and boiling point
Picture shows an electron arrangement of calcium ion. Which statements are true?
calcium ion have achieved stable electron arrangement
the electron arrangement of it's atom is 2.8.8.2
it achieve stable electron arrangement by accepting 2 electrons
the number of protons in it's nucleus is 18
What is the type of particle of the chemical substance shown in the picture?
Atom
Molecule
Ion
