Periodic Table

• Metals
• Nonmetals
• Metalloids

• Metals
• Nonmetals
• Metalloids

Which elements have the most similar chemical properties?

• K and Na

• K and Ca

• K and Cl

• K and S

Elements in a ..................have similar chemical properties.  

• period

• group

• row

How many Valance electrons does Iodine Have?

• 6

• 16

• 7

• 17

An element's identity is determined by the number of

• electrons.

• protons.

• neutrons.

• valence.

Elements in the same ________ are more chemically similar.

• group

• period

• club

• table

A researcher wants to experiment with an element that reacts like phosphorus (P) but has a greater atomic mass. Which element should the researcher select for the experiment?

• Nitrogen (N)

• Sulfur (S)

• Arsenic (As)

• Silicon (Si)

Answer explanation

Elements in the same group (column) have similar properties.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

The model of the periodic table in the illustration shows the location of four elements. A student is asked to identify an element that is a pale yellow brittle solid that does not conduct electricity. At which location in this periodic table would the element most likely be found?

• 1

• 2

• 3

• 4

Answer explanation

"Nonmetals on the right"

A student is studying the ways different elements are similar to one another. The illustration contains diagrams of atoms from four different elements. Which two atoms are of elements in the same group in the periodic table?

• Atom 1 and Atom 2

• Atom 1 and Atom 4

• Atom 2 and Atom 3

• Atom 3 and Atom 4

Answer explanation

Elements in the same group (column) have the same number of valence electrons!!!

Tags

NGSS.MS-PS1-1