Category One Science

Students were asked to identify the location of elements in the periodic table based on clues printed on game cards.

Based on the data, which periodic table shows the correct location of the four elements?

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Tags

NGSS.MS-PS1-1

Which of these elements is in this group?

• Lithium

• Strontium

• Aluminum

• Silicon

Which two elements on the periodic table are in the same period?

• Sn and Rb

• F and Cl

• K and Ba

• Se and Te

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)

Which statement does NOT correctly compare silicon with another element?

• Silicon is a better conductor of electricity than sulfur.

• Silicon conducts electricity as well as copper does.

• Silicon is a solid at room temperature, but argon is a gas.

• Silicon is less malleable than silver.

Tags

NGSS.HS-PS1-1

Aluminum, sulfur, and chlorine are elements found on the periodic table. Tests involving these three element would show that at normal room temperature -

• sulfur is malleable and aluminum conducts electricity

• chlorine is malleable and conducts electricity

• aluminum is malleable and conducts electricity

• all three elements are malleable and conduct electricity

In which of these compounds are there twice as many oxygen atoms as hydrogen atoms?

• H₃PO₄

• H₂SO₄

• HClO₃

• H₂O

Tags

NGSS.MS-PS1-1

How many atoms in all are in a molecule of seratonin?

• 25

• 1

• 10

• 4

Tags

NGSS.MS-PS1-1

A manufacturer selected a metal to use in producing a lightweight button for clothing. A metal that has a density of 2.71 g/cm³ was selected.

Which of the metals was selected?

• Metal 1

• Metal 2

• Metal 3

• Metal 4

Tags

NGSS.MS-PS1-2

An atom has 25 protons, 30 neutrons, and 25 electrons. What is the charge of the atom's nucleus?

• +25

• +30

• -25

• -30