Semester 1 test reg chemistry 2024-2025

Front

What is the formula for the compound formed by Ga ⁺³ and PO₄^-3?

Back

GaPO₄

Front

What is an unsafe practice in a laboratory setting?

Back

Boxes blocking an exit.

Front

Calculate the product of 13.551 x 18.2 with the correct number of significant figures.

Back

247

Front

What is NOT a characteristic of metallic compounds?

Back

Solubility in water.

Front

Which statement about electronegativity is false?

Back

It decreases as we move to the left of the periodic table.

Front

Define electronegativity.

Back

Electronegativity is the tendency of an atom to attract electrons in a chemical bond.

Front

What is the significance of significant figures in calculations?

Back

Significant figures indicate the precision of a measurement.

Front

What is the general trend of electronegativity in the periodic table?

Back

Electronegativity increases from left to right and decreases from top to bottom.

Front

What is the definition of a metallic compound?

Back

A metallic compound is a substance formed from metal atoms bonded together, often exhibiting properties like conductivity and malleability.

Front

What does it mean for a substance to be ductile?

Back

Ductility is the ability of a material to be stretched into a wire.