Periodic Table

What is the atomic number of Carbon (C)?

• 4

• 6

• 8

• 12

What is the charge of a neutron?

• Positive

• Negative

• Neutral (no charge)

• Depends on the environment

What does the period number in the periodic table indicate?

• The number of electron shells.

• The number of protons in the nucleus.

• The atomic mass of the element.

• The number of neutrons in the atom.

What is the chemical symbol for Sodium?

• Na

• So

• S

• N

Which subatomic particle is positively charged?

• Neutron

• Electron

• Proton

• Positron

What is an isotope?

• Atoms of the same element with different numbers of neutrons.

• Atoms of different elements with the same number of protons.

• Atoms that have the same mass but different charges.

• Atoms that are chemically identical but physically different.

What is the number of protons in an atom called?

• Atomic mass

• Atomic number

• Molecular weight

• Isotope number

What is the significance of the periodic table's arrangement?

• Elements are arranged by increasing atomic mass and similar properties.

• Elements are arranged randomly without any specific order.

• Elements are arranged by increasing atomic number and similar properties.

• Elements are arranged by their color and size.

How many electrons does a neutral atom of Sodium (Na) have?

• 10

• 11

• 12

• 13

What does the 6 represent in the element Carbon (C)?

• Atomic number

• Mass number

• Molecular weight

• Density