Subatomic Interactions and Atomic Properties Explained

The video tutorial discusses subatomic particles, focusing on electron interactions and atomic bonding. It explains why atoms bond despite electron repulsion, using oxygen as an example. The concept of atomic neutrality is covered, highlighting the balance of protons and electrons. The tutorial also guides viewers through identifying elements on the periodic table, using examples like fluorine, silicon, and copper, and discusses their atomic masses and numbers.

What happens when two electrons are placed near each other?

• They become neutral.

• They form a bond.

• They repel each other.

• They attract each other.

Why do atoms bond if their electrons repel each other?

• Atoms bond due to gravitational forces.

• Atoms bond because they have no electrons.

• Atoms bond despite electron repulsion due to other forces.

• Atoms bond because they are positively charged.

What makes an atom electrically neutral?

• More protons than electrons.

• Equal number of electrons and neutrons.

• Equal number of protons and electrons.

• Equal number of protons and neutrons.

What is the atomic number of fluorine?

• 11

• 10

• 9

• 8

Which element has an atomic number of 14?

• Silicon

• Nitrogen

• Oxygen

• Carbon

What is the atomic mass of silicon?

• 63.546

• 47.88

• 18.998

• 28.066

Which element corresponds to the atomic mass of 47.88?

• Manganese

• Copper

• Titanium

• Fluorine

What is the atomic number of copper?

• 22

• 25

• 29

• 32

Which element is represented by the symbol Mn?

• Mercury

• Molybdenum

• Manganese

• Magnesium

What is the atomic mass of manganese?

• 18.998

• 28.066

• 63.546

• 54.938