Front

What is the Bohr model of the atom?

Back

The Bohr model is a theory that describes the atom as a small, positively charged nucleus surrounded by electrons that travel in circular orbits around the nucleus, similar to planets orbiting the sun.

Front

How many protons does an element have if its atomic number is 12?

Back

An element with an atomic number of 12 has 12 protons.

Front

What is the relationship between protons and electrons in a neutral atom?

Back

In a neutral atom, the number of protons equals the number of electrons.

Front

What are valence electrons?

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in forming bonds with other atoms.

Front

How do you determine the number of neutrons in an atom?

Back

The number of neutrons can be determined by subtracting the atomic number (number of protons) from the atomic mass (rounded to the nearest whole number).

Front

What element has 11 electrons?

Back

The element with 11 electrons is Sodium (Na).

Front

What is the significance of the atomic number?

Back

The atomic number indicates the number of protons in an atom and determines the element's identity.

Front

How many valence electrons does Chlorine have?

Back

Chlorine has 7 valence electrons.

Front

What type of bond does Chlorine typically form?

Back

Chlorine typically forms ionic bonds, especially with elements like Sodium (Na) or Hydrogen (H).

Front

What is the maximum number of electrons that can occupy the first energy level?

Back

The maximum number of electrons that can occupy the first energy level is 2.