2. Atoms & Elements

What is the atomic number for magnesium?

Which of the following is considered the basic unit of all matter?

What is the atomic number of lithium?

What is the smallest unit of matter that still retains the properties of an element?

What does the atomic number of an element indicate?

Carbon has 6 protons. What is its atomic number?

Where in the atom is a proton located?

What does the atomic number of an element indicate?

Which of the following elements has the highest electronegativity, meaning it pulls electrons towards itself most strongly?

Where are positively charged particles, known as protons, found in an atom?

How many protons are present in a lithium atom?

How many protons does a potassium atom have?

What is the atomic number of sulfur?

Where are the neutrons located in the atom?

Can a single atom be considered a molecule?