Questions (26-50)

Question 0

When did Mendeleev create a new row in his periodic table?

Answer 0

When chemical properties were repeated

Question 1

Which of the following is not a branch of biology

Answer 1

Botany

Question 2

Whose model determined that hat an atoms positive charger is concentrated in the atoms center?

Answer 2

Rutherford’s

Question 3

There are strong bonds between the atoms in a piece of Quartz. These bonds five Quartz a

Answer 3

High melting point

Question 4

Scientific methods

Answer 4

Use critical thinking to solve scientific problems
Are used to find and evaluate possible answered to problems
Are general descriptions of scientific thinking

Question 5

Which unit is used to measure the height of s bookcase

Answer 5

Meyer

Question 6

Sodium has one electron in its outer shell and chlorine has seven electrons in its outer shell. The atoms will form a(n) (blank) bond by (blank) their electrons

Answer 6

Ionic, transferring

Question 7

Unlike a gas, a plasma

Answer 7

Conducts electric current

Question 8

Compared to less massive particles at the same temperate, more massive particles

Answer 8

Move more slowly

Question 9

A compound differs from a mixture because it

Answer 9

Is held together by chemical bonds

Question 10

Which of the following results in a mixture

Answer 10

Dissolving salt

Question 11

The order of the elements in the modern periodic table is based on an elements

Answer 11

Atomic number

Question 12

What does it mean to say “no experiment is a failure”

Answer 12

All experiments are observations of real events

Question 13

The attraction between molecules tends to be (blank) the attraction between ions

Answer 13

Weaker than