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WorksheetsQuizz 1 - Chemical Bonding
Total questions: 20
Worksheet time: 10mins
The outermost shell of an atom is called the ______ shell.
covalent
valence
exterior
structural
In ionic bonding, atoms of metals lose their outer electrons to become (a) ions.
State whether True or False. Protons and Neutrons are never lost or gained during chemical reactions.
True
False
Apart from _______, all noble gases have eight electrons in their outer shell.
Hydrogen
Argon
Neon
Helium
The positive and negative ions in sodium chloride are held together by the (a) attraction between opposite charges.
Non-metals plus non-metal compounds are held together by (a) bonding.
In covalent compounds, bonds are made by (a) electrons between atoms.
Which of the following is NOT a noble gas?
Xenon
Radon
Boron
Argon
(a) bonds are the strongest of intermolecular forces.
In a water molecule, the electrons tend to remain closer to the (a) atom due to its affinity towards them, thus giving it a slightly negative charge.
Two substances with the same molecular mass are
SO3 and N2
SO2 and O2
CO and N2
NO2 and SO2
Element X has an atomic mass of 3.5 times that of oxygen, and a Y atom is 1/4 as light as an X atom. Then which of the two elements X and Y are respectively given below?
Fe and N
Na and Cu
Ca and N
K and N
What's the name of chemical element C?
Cacbon
Carbon
Clo
Crom
Canxi
The composition of most types of atoms includes:
proton and neutron
proton and electron
electron and neutron
proton, neutron, and electron
only electron
The charged particle in the nucleus of an atom is
electron
proton
neutron
proton and neutron
Which of the following elements is a halogen?
Krypton
Argon
Neon
Fluorine
The number of protons in an atom determines its ______.
isotope
element
charge
mass
Which particle has a negative charge?
nucleus
electron
neutron
proton
Which of the following is a characteristic of metals?
They are good conductors of electricity
They are brittle
They have low density
They are gaseous at room temperature
What is the chemical symbol for Sodium?
So
Sn
Na
Sd
