End of the Year Quizizz

Vertical columns in the periodic table, which indicate an element's location within a period, are called ___________.

• groups
• periods
• valence electrons
• metals

The atomic weight of an atom is mostly the mass of its __________.

• protons
• protons and electrons
• protons and neutrons
• electrons

Atomic number on the periodic table refers to______________.

• the number of ways an element can be combined with other elements
• the number of protons in each atom of an element
• the number of atoms in a cubic centimeter of an element
•  the number of neutrons added to the number of protons found in an atom of an element

The periodic table is arranged by atomic number, which is the number of _______ in an atom.

• protons
• electrons
• neutrons
• ions

Tags

NGSS.MS-PS1-1

This model represents an atom of neon, which is in group 18, the far right group of the periodic table of the elements. What does the element’s position in the table tell you about neon?

• It has 18 electrons.
• It accepts electrons.
• It gives up electrons.
• Its outer electron shell is full.

Tags

NGSS.MS-PS1-1

A typical atom of sodium has 11 protons, 12 neutrons, and 11 electrons. What is the mass number of sodium?

• 1
• 11
• 12
• 23

Tags

NGSS.MS-PS1-1

The vertical columns in the periodic table are known as:

• groups
• periods
• valences
• isotopes

Use the periodic table to answer the question.
Which element listed below is a nonmetal?

•  sodium (Na)
•  magnesium (Mg)
• iron (Fe)
•  chlorine (Cl)

A series of steps used by scientists to solve a problem or answer a question. 

• scientific method
• recipe
• data collection
• metric system

What does it mean if a mixture is heterogeneous?

• you can see the different parts
• cannot tell one part from another
• very well blended
• made of elements