Unit 2 HChem Review Flashcardizz

Front

What is the formula for Hydrosulfuric Acid?

Back

H₂S

Front

What is the name of the compound Na₂(SO₄)?

Back

Sodium sulfate

Front

Observation or Inference? The girl has hurt her knee.

Back

inference

Front

Which statement is an inference about this picture? The van is tan., The van ran into KFC., The driver was hungry., The sign is red.

Back

The driver was hungry.

Front

Which family is made of stable elements? alkali metals, semiconductors, halogens, noble gases.

Back

noble gases

Front

What is the chemical formula for Sodium Sulfide?

Back

Na₂S

Front

What is the difference between observation and inference?

Back

Observation is based on direct evidence; inference is a conclusion drawn from observations.

Front

What are noble gases?

Back

Noble gases are elements in Group 18 of the periodic table, known for their lack of reactivity.

Front

What is the chemical formula for Sulfuric Acid?

Back

H₂SO₄

Front

What is the name of the compound Na₂(SO₃)?

Back

Sodium sulfite