Atoms and the Periodic table

Front

Which element is in the same group as Tin (Sn) and Lead (Pb) in the periodic table?

Back

Silicon (Si) because it has conductivity similar to that of tin and lead

Front

Which of the following is an element? salt, oxygen, vinegar, water

Back

oxygen

Front

A model of the most basic unit of oxygen is shown. Which of the following is true of oxygen?

• Oxygen is an element because its most basic unit is a single type of atom
• Oxygen is a compound because its most basic unit is a single type of atom
• Oxygen is a mixture because its most basic unit contains more than one particle
• Oxygen is a compound because its most basic unit contains more than one type of particle

Back

Oxygen is an element because its most basic unit is a single type of atom

Front

How is an element different from a compound?

Back

An element is made of a single type of atom, and a compound is made of two or more atom types.

Front

This is a chemical formula for glucose, a type of sugar. What statement is true about glucose?

Back

Glucose is a compound, because it is made up of more than one element

Front

Which statement about the other elements in Group 15 is true?

Back

They react in a way similar to how nitrogen reacts

Front

Which elements in the periodic table have similar properties?

Back

Two elements in the same group

Front

Based on the periodic table of elements, which set of elements have similar properties? Options: Pb, Sn, Kr; Ne, N, O; Cl, Br, I; O, S, N

Back

Cl, Br, I

Front

What is the atomic number of an element based upon?

Back

number of protons in its nucleus

Front

A chemist determines that the atom she is studying has eight negatively charged particles outside the nucleus. What does this indicate about the atom?

Back

it contains eight electrons