Chemistry Chapter: Atomic Structure and Periodic Table

What is the basis for the arrangement of elements on the periodic table?

The number of electrons in an atom always equals the number of protons.

What is the name of the horizontal rows on the periodic table?

Elements on the left side of the 'staircase' on the periodic table are classified as ______.

Match the following terms with their corresponding descriptions:

Which of the following scientists is credited with the "plum pudding" or "raisin bun" model of the atom?

Dalton's atomic theory stated that atoms of the same element have the same mass and size.

What is the name of the positively charged particle found in the nucleus of an atom?

Rutherford's model of the atom is often compared to a ______ system.

Match the following scientists with their respective atomic models:

Which of the following is NOT a fundamental particle in the current understanding of atomic structure?

According to current atomic theories, electrons are confined to specific fixed orbits around the nucleus.

What are the subatomic particles that are made of even smaller particles called quarks?

What is the atomic number of an element?

All atoms of the same element have the same number of neutrons.

The [BLANK] shell can fit up to 8 electrons.

Which of these statements is TRUE about valence electrons? (Select all that apply)

Match the following elements with their number of valence electrons:

How many energy levels are there in a chlorine atom?

The [BLANK] model depicts electrons orbiting the nucleus in specific energy levels.

Which of these statements is FALSE about atoms? (Select all that apply)

Transition metals can have more than one possible ______ due to the presence of d-electrons.

Which of the following is NOT a characteristic of molecular compounds?

What is the name of the bond formed when electrons are shared between atoms in a molecular compound?

Match the following transitional metal compounds with their correct names:

The net charge of a compound containing a transition metal can be determined by calculating the total positive charge of the metal and the total negative charge of the non-metals.

Which of the following correctly describes the formula for chromium (III) oxide?

The compound FeBr2 is named ______ because the iron ion has a charge of +2.

Explain why molecular compounds are considered non-electrolytes.

All atoms want to have a stable (full) outer energy level.

To become stable, atoms will ______ or ______ valence electrons.

What type of ion is formed when an atom gains electrons?

What are the three types of binary compounds?

Match the following terms with their definitions:

Which group on the periodic table typically forms ions with a 1+ charge?

Non-metals always form negatively charged ions.

The process of an atom losing electrons is called ______, while the process of an atom gaining electrons is called ______.

Which of the following compounds would be classified as (aq) based on the provided solubility rules?

According to Arrhenius' theory, acids release hydroxide ions (OH-) when dissolved in water.

What is the pH range for acidic substances?

Litmus paper is an indicator that turns ______ in the presence of an acid.