What is the chemical formula for ammonia (amoniaco) also known as nitrogen trihydride?
NHโ
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15
What is the chemical formula for hydrochloric acid?
HCl
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15
What do we call the bottom two rows of the periodic table?
Lanthanoids and actinoids (or lanthanides and actinides)
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What is the more commonly known name for dihydrogen monoxide?
Water
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True or False: the periodic table is organised by increasing atomic number?
True
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15
Which of the following is the most common type of hydride formed by hydrogen and metals: Ionic hydride, Covalent hydride, metallic hydride, or organic hydride?
Ionic hydride
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How would you describe a hydride?
It is a compound where hydrogen bonds with another element
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In which group of the periodic table are alkali metals found?
Group 1
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What are the three types of elements in the periodic table?
Metals, nonmetals, and metalloids
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What is the main characteristic of elements in the same period?
Same number of electron shells
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What is the name of the compound with the formula NaCl?