Periodic table and Periodic trends

Question 1

Elements that are poor conductors of electricity are likely _______

Accepted Answer

Nonmetals

Question 2

Elements shown in brown are _______

Accepted Answer

Actinides

Question 3

Elements shown in orange are _____

Accepted Answer

Alkaline earth metals

Question 4

The modern periodic table is arranged in order of increasing ______

Accepted Answer

Atomic number

Question 5

Who arranged the elements by atomic mass and predicted properties of missing elements?

Accepted Answer

Mendeleev

Question 6

Elements shown in grey are _____

Accepted Answer

Transition metals

Question 7

When an atom loses an electron the radius generally gets _______

Accepted Answer

Smaller

Question 8

Which scientist first arranged elements by atomic number?

Accepted Answer

Mosley

Question 9

Which element has the smallest atomic radius?

Accepted Answer

Bromine

Question 10

Elements in the same group have _____

Accepted Answer

same number of valence electrons

Question 11

Which of the following elements is in the same period as Germanium?

Accepted Answer

Manganese

Question 12

What element is in the 5th period and 16th group?

Accepted Answer

Tellurium

Question 13

The majority of elements exist in what state?

Accepted Answer

Solid

Question 14

When one or several electrons are taken up by an atom to form an ion, the ion is called

Accepted Answer

an anion

Question 15

The majority of elements are ______

Accepted Answer

Metals

Question 16

Elements shown in yellow are ______

Accepted Answer

Alkali metals

Question 17

Elements shown in pink are ______

Accepted Answer

Halogens

Questions 17