Periodic table and Structure of Atom - Vineeta Hooda | Biblioteka

1

Which one of which of the following is not a part of an atom?

Proton

Molecule

Neutron

Electron

1

A particle in the nucleus with no electrical charge is known as a(n)

atomic number

isotope

electron

Neutron

1

Isotopes are atoms of the same element with the same number of protons and

a different number of electrons

a different number of molecules

a different number of neutrons

the same number of neutrons

1

In an element with a neutral charge, the atomic number is equal to the number of

1

An atom becomes negatively charged by

gaining an electron

losing an electron

losing a proton

gaining a neutron

1

What is the maximum number of electrons that are allowed on the second shell/orbit?

9

7

8

3

1

Construct a Bohr model for Carbon

1

What is unique about the number of neutrons in a normal hydrogen atom?

It does not have any neutrons

It has more neutrons than protons

It has an equal number of neutrons and protons

It has an equal number of neutrons and electrons

1

An atom can be identified by the number of_______________in the nucleus of an atom.

protons

electrons

Neutrons

1

What is the greatest number of valence electrons an atom can have?

2

3

8

4

1

Potassium has an atomic number of 19 and a mass number of 39. So, it has _________________neutrons.

19

18

20

21

1

Which of the following would be an isotope of aluminum?

Atom A: mass number=24, atomic number=13

Atom B: mass number=24, atomic number=12

Atom C: mass number=26, atomic number=14

Atom D: mass number=22, atomic number=11

1

Which statement is true about the Periodic Table?

The Periodic Table allows you to easily compare the properties of one element to another

Each horizontal row of the Periodic Table is called a group

Each vertical column of the Periodic Table is called a period

All of the above are correct

1

In the Periodic Table, the vertical columns that extend down the Periodic Table are called

periods

groups

classes

1

The lanthanides are placed in the Periodic Table at the

left-hand side

right-hand side

middle

Bottom

1

How many elements are there on the periodic table?

1

Hydrogen is located in Group_________of the Periodic Table.

1

2

3

4

1

Which scientist is credited with inventing the Periodic Table?

Gregor Mendel

Watson and Crick

Albert Einstein

Dimitri Mendeleev

1

Elements in Group 18 on the periodic table are known as

Alkaline earth metals

the Noble Gases

metalloids

transition elements

1

In the Modern Periodic Table, the elements are arranged in order of

increasing mass

increasing atomic volume

increasing atomic number

the alphabet