Deck 1: Introduction to Forensic Chemistry

Question 1

What is the name of the element represented by the symbol S?

A) sulfur
B) silicon
C) sodium
D) selenium

Answer 1

sulfur

Question 2

Identify whether flour is a pure substance or mixture.

A) mixture
B) pure substance

Answer 2

mixture

Question 3

Forensic scientists use silver nitrate to help reveal and collect fingerprints. Is silver nitrate an element or a compound?

A) compound
B) element

Answer 3

compound

Question 4

Which of the following elements is a nonmetal?

A) Cu
B) K
C) N
D) Nd

Question 5

Identify whether nitrogen monoxide is an element or a compound.

A) compound
B) element

Question 6

Identify whether blood is a heterogeneous or homogeneous mixture.

A) heterogeneous
B) homogeneous

Question 7

Identify whether iron is a pure substance or mixture.

A) mixture
B) pure substance

Question 8

Which state of matter has particles that are moving at high speeds?

A) gas
B) solid
C) liquid

Question 9

Identify whether milk is a pure substance or mixture.

A) mixture
B) pure substance

Question 10

Identify whether steel is a heterogeneous or homogeneous mixture.

A) heterogeneous
B) homogeneous

Question 11

Identify whether radon is an element or a compound.

A) compound
B) element

Question 12

Which of the following elements is a metalloid?

A) Ar
B) Ge
C) Li
D) Mo

Question 13

Identify whether vodka is a heterogeneous or homogeneous mixture.

A) heterogeneous
B) homogeneous

Question 14

Which formula below corresponds to the compound containing one aluminum atom, one phosphorous atom, and four oxygen atoms?

A) AlPO4
B) AlPO₄
C) APO⁴
D) APO₄

Question 15

Which state of matter is described as having particles that are held together by attractive forces that keep them in fixed positions?

A) gas
B) liquid
C) solid

Question 16

Which state of matter has a constant volume, but can change its shape to fit the container that holds it?

A) gas
B) liquid
C) solid

Question 17

Identify whether rust is an element or a compound.

A) compound
B) element

Question 18

Which of the following steps is not part of the scientific method?

A) analyze data
B) test the hypothesis
C) determine nature of the problem
D) develop a theory to support the hypothesis

Question 19

What is the atomic symbol of the element carbon?

A) C
B) Ca
C) Cn
D) Co

Question 20

Identify whether soil is a heterogeneous or homogeneous mixture.

A) heterogeneous
B) homogeneous