The Periodic Table - Review Activity 1.4

Delia needs a replacement for Sodium for a science experiment. She tries silicon, but it does not work. Using what you know about patterns in the periodic table, which advice would you give Jailah?

• Try an element in the same group as sodium.

• Try an element in the same period as sodium.

Donny is making a slideshow about precious metals for a school project. He learns that gold (Au), silver (Ag), and copper (Cu) are often used in jewelry and coins. Donny also learns that they are all transition metals. He wants to explain the properties of these metals to his classmates. Which statement should Donny include in his slideshow?

• These metals resist heat and are less reactive than group 1 and 2 metals.

• Gold, silver, and copper have very different physical and chemical properties.

A museum wants to store their valuable documents in cases that contain a gas that will protect the documents. Choose a word or phrase from each word bank to complete the sentences below. Word Bank 1: a noble gas • oxygen gas • a halogen • chlorine gas Word Bank 2: reactive • unreactive • expensive • smelly The museum director should choose (1) _________________. She should not choose one of the other gases because they are too (2) _________________.

• (1) a noble gas; (2) reactive

• (1) oxygen gas; (2) unreactive

• (1) chlorine gas; (2) expensive

• (1) a halogen; (2) smelly

From the information in this cell, what is the most likely number of neutrons in an atom of titanium?

• A. 25.90

• B. 26

• C. 47.90

• D. 48

Tags

NGSS.MS-PS1-1

Classify titanium as an alkali, alkali earth, or transition metal. What type of metal is titanium?

• Alkali metal

• Alkali earth metal

• Transition metal

• Nonmetal

Match the following

• +3

• Atomic Number

• Al

• Mass Number

• 27

• Charge

• 13

• Element Symbol

Tags

NGSS.MS-PS1-1

Match the following

• Common Name

• Calcium

• Symbol

• 20

• Atomic Number (Protons)

• Ca

• Atomic Mass (protons + neutrons)

• 40

Label the properties of metals, non-metals and metalloids where they best fit

b

c

d

a

Conduct heat and electricity

Not malleable or ductile

poor conductors of heat and electricity

Malleable and Ductile