Periodic Table 2019-20

Question 1

Which group of elements is un-reactive? (not reactive, inert)

Accepted Answer

Noble gases

Question 2

Which of the following is/are a halogen(s)?

Accepted Answer

I

Question 3

The electron configuration of arsenic(33) ends with . . .

Accepted Answer

4s24p3

Question 4

Which element has four (4) electrons in the third energy level?

Accepted Answer

silicon

Question 5

Most elements on the periodic table are classified as __________.

Accepted Answer

Metals

Question 6

Which group(s) has/have e- configurations that have their highest level e- in the s sublevel?

Accepted Answer

Alkali metals, Alkaline-earth metals

Question 7

Which accurately describes nonmetals?

Accepted Answer

Poor conductors of electricity

Question 8

Groups on the periodic table are arranged

Accepted Answer

Vertically (in columns)

Question 9

How were elements in the periodic table originally organized?

Accepted Answer

Their physical and chemical properties

Question 10

The elements in groups 1A - 7A are called the . . .

Accepted Answer

Representative elements

Question 11

The elements with their highest level of electrons in the f sub-level are called the . . .

Accepted Answer

inner transition metals

Question 12

Noble gases . . .

Accepted Answer

have full s and p electron sublevels, Usually do not react with other elements

Question 13

Which category includes some of the most familiar elements like nickel, iron, and copper?

Accepted Answer

Transition metals

Question 14

How many periods are there in the periodic table?

Accepted Answer

7

Question 15

Which set of elements are all transition metals

Accepted Answer

V (23), Cr (24), Cd (48), W (74)

Question 16

Who arranged elements by atomic mass, leaving spaces for undiscovered elements?

Accepted Answer

Mendeleev

Question 17

Which pair of elements would have similar properties due to the position in the periodic table?

Accepted Answer

Copper (Cu), Gold (Au), Oxygen (O), Sulfur (S)

Question 18

Which of the following elements is/are in the same period as sulfur?

Accepted Answer

Phosphorus, chlorine

Question 19

If an element's electron configuration ends with 5p5, it is a(an)

Accepted Answer

Representative Element, Halogen, Non metal

Question 20

Which element's electron configuration ends with 4d5?

Accepted Answer

Technetium

Question 21

How are elements in the modern periodic table organized?

Accepted Answer

By increasing atomic number

Question 22

Which of the following is/are a metalloid(s)?

Accepted Answer

Te, As

Question 23

Which group of elements on the periodic table are all gases at room temperature?

Accepted Answer

Group 8A

Question 24

Each horizontal row on the periodic table is called a . . .

Accepted Answer

Period, Principle energy level

Question 25

How many electrons are in the highest occupied energy level of phosphorus (P)?

Accepted Answer

5

Question 26

Which of the following is/are a representative element(s)?

Accepted Answer

Al

Periodic Table 2019-20

Questions 26

Periodic Table 2019-20

Questions 26