The image below shows the elements of the periodic table. Use this image to answer the question. What determines the order of the elements of the modern periodic table?

• atomic mass

• atomic number

• chemical properties

• chemical and physical properties

The image below shows the elements of the periodic table. Use this image to answer the question. What type of elements are cerium (# 58) and europium (# 63)?

• actinide series

• alkali metals

• lanthanide series

• nonmetals

The image below shows the elements of the periodic table. Use this image to answer the question. Which element is located in group 5, period 4?

• hafnium, Hf

• niobium, Nb

• vanadium, V

• zirconium, Zr

The image below shows the elements of the periodic table. Use this image to answer the question. Which element is NOT a transition element?

• aluminum

• gold

• silver

• uranium

The image below shows the elements of the periodic table. Use this image to answer the question. Which element reacts fastest with oxygen to form an oxide?

• copper

• potassium

• gold

• zinc

Tags

NGSS.MS-PS1-2

The image below shows the elements of the periodic table. Use this image to answer the question. In the future, scientists hope to make new elements and add them to the periodic table. Which best predicts the atomic numbers of these new elements?

• greater than 118

• less than 1

• between 103 and 118

• greater than 294

Tags

NGSS.MS-PS1-1

What did Mendeleev’s organization of the elements allow him to do?

• Predict the number of protons in the nucleus of the atoms of each element.

• Predict the order of the elements on the modern periodic table.

• Predict the melting and boiling points of known elements.

• Predict properties of elements yet to be discovered.

The table below shows some of the properties of elements of the fourth period of the periodic table. Based on this information, which is the best prediction of the properties of gallium, Ga?

• 70.0 u, 5.1 g/cm³, GaCl₂

• 71.0 u, 6.2 g/cm³, GaCl₄

• 62.0 u, 6.2 g/cm³, GaCl₃

• 69.0 u, 5.9 g/cm³, GaCl₃

Tags

NGSS.MS-PS1-1

The image below shows the percent by mass of the elements in the human body. Which types of elements make up the majority of the mass of the human body?

• metals

• nonmetals

• metalloids

• lanthanide series elements

Tags

NGSS.MS-PS1-1

What is the atomic mass of

iron (Fe)?

• 26

• 13

• 55.845

• 23.423