Atoms and the Periodic Table

What are the vertical columns in the periodic table called?

Valence electrons determine an atom's __________________.

Most halogens form compounds by bonding with

Which is the correct symbol for sodium?

The area around the nucleus where electrons are most likely to be found is called

What is the charge of a neutron?

Which is the correct symbol for potassium?

Elements in groups 3-12 are called _______________

How many protons does potassium (K) have?

What are the horizontal rows in the periodic table called?

What is the charge of an electron?

The atomic number tells the number of ______________ an atom has.

What is the maximum number of electrons the 2nd energy level can hold?

Which group of elements are inert (unreactive) and exist as isolated elements?

Which group has 2 valance electrons?

The atomic nucleus is made up of what 2 subatomic particles?

How many valence electrons does carbon (C) have?

What is the maximum number of electrons the 1st energy level can hold?

Hydrogen is the only ______ left of the staircase

___________ are elements that can conduct heat and electricity under certain conditions.

What is the charge of the nucleus?

What is the atomic number for copper (Cu)?

What is the charge of a proton?

Bohr diagrams show the number of _______________ an atom has.

A Lewis-dot diagram shows the number of ___________ an atom has.

An atom's mass number equals the number of ____________________.

Which element is the only non-metal located left of the stair-step line?

Noble gases are in group ________

What is the atomic mass of Fluorine (F)?

The smallest particle of an element that retains the element's properties is a(n)

How many valence electrons does a Magnesium element have?

All the following are properties of metals except

Which group of non-metals are very reactive?

How many electrons does a neutral atom of potassium (K) have?

How many neutrons does bromine (Br)have?

How many valence electrons does a neutral atom of sulfur (S) have?

Which group of metals are the most reactive.

Which elements are poor conductors?

What is the atomic mass of gold (Au)?

Which atomic model was compared to planets orbiting the sun?

How many protons does an element of Calcium (Ca) have?