Basic Chemistry: Periodic Table

Horizontal columns in the periodic table are called

• Transition elements

• Metalloids

• Groups

• Period

Aside from the transition element, which of the following element is not grouped according to valance electrons

• Oxygen

• Helium

• Neon

• Boron

Tags

NGSS.HS-PS1-1

The atomic radii increases across the period

• True

• False

Which of the following has the biggest ionic radius?

• Phosphorus ion

• Argon

• Silicon ion

• Chlorine ion

Tags

NGSS.HS-PS1-1

The metals form ions from the_______ of electrons and this forms an ion known as the_________.

• gain, anion

• loss, cation

• gain, cation

• loss, anion

First Ionization energy is the energy required to remove 1 electron from the atom in 1 mole of atom of element in the gaseous state to form 1 mole of______ions

• +3

• +2

• +1

• +4

Tags

NGSS.HS-PS1-2

The dip between P and S in the ionization energy is due to:

• electron is orbiting

• electron is in the nucleus

• repulsion between electrons

• neutrons is part of the nucleus

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The electrical conductivity of Group 4-8 elements are lower than that of Group 1-3 because...

• They are non-metallic insulators

• They are macromolecules

• They have free moving electrons

• They are mainly gases

Tags

NGSS.HS-PS1-1

The high melting point of Silicon is most likely contributed from its....

• Bonding

• Simple molecular

• Marco-molecular structure

• Metallic bonding

Tags

NGSS.HS-PS1-1

What is the name of the intermolecular interactions between noble gases?

• Van Der Waals

• Induce Dipole-dipole

• Permanent Dipole-dipole

• Ionic bonding

Tags

NGSS.HS-PS1-3