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Water has the formula H2O. What can be concluded about its structure?
toxic
Helium (He)
false
on the stairstep
rows
6 protons
solid
It is a molecule made of two elements.
An element has a gray metal color, but has properties of both metals and nonmetals. Where on the Periodic Table will it be found?
toxic
Helium (He)
false
on the stairstep
rows
6 protons
solid
It is a molecule made of two elements.
Periods are
toxic
Helium (He)
false
on the stairstep
rows
6 protons
solid
It is a molecule made of two elements.
Based on its place on the Periodic Table, which element is most like Neon (Ne)?
toxic
Helium (He)
false
on the stairstep
rows
6 protons
solid
It is a molecule made of two elements.
Most elements are in what state at room temperature?
toxic
Helium (He)
false
on the stairstep
rows
6 protons
solid
It is a molecule made of two elements.
Anything that is sold for use at home can be poured down the drain or thrown away.
toxic
Helium (He)
false
on the stairstep
rows
6 protons
solid
It is a molecule made of two elements.
We don't eat or drink during lab because some chemicals are
toxic
Helium (He)
false
on the stairstep
rows
6 protons
solid
It is a molecule made of two elements.
Jesse is drawing a model of a Carbon atom. What will she put in the center?
toxic
Helium (He)
false
on the stairstep
rows
6 protons
solid
It is a molecule made of two elements.
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