Atoms and the Periodic Table

Question 1

Elements that have properties of metals and nonmetals, the stair steps of the Periodic Table

Accepted Answer

Metalloids

Question 2

Krypton is a Noble Gas, meaning it has a _____

Accepted Answer

Full outer energy level

Question 3

There are 6 types of these smaller particles that make up protons and neutrons.

Accepted Answer

Quarks

Question 4

Diamond and Graphite are _____ of Carbon

Accepted Answer

Allotropes

Question 5

Halogens gain an electron from Alkali Metals to form _____

Accepted Answer

Salts

Question 6

The last energy level of the Electron Cloud holds a maximum of _____ electrons

Accepted Answer

8

Question 7

The shine or glow of a metal

Accepted Answer

Luster

Question 8

_____ have both metallic and nonmetallic properties.

Accepted Answer

Metalloids

Question 9

These two particles have mass and are found in the nucleus of an atom

Accepted Answer

Proton & Neutron

Question 10

Most elements are _____ at room temperature

Accepted Answer

solid

Question 11

The _____ Metals are the most reactive group of metals.

Accepted Answer

Alkali

Question 12

_____ are vertical columns of elements, similar properties, same number of valence electrons

Accepted Answer

Groups

Question 13

What is the atomic mass of an atom that has 3 protons and 4 neutrons?

Accepted Answer

7

Question 14

_____ is the only metal that is liquid at room temperature.

Accepted Answer

Mercury

Question 15

Mendeleev's early periodic table was out of order and organized by _____

Accepted Answer

Atomic mass

Question 16

Element whose nucleus breaks down, giving off particles and energy

Accepted Answer

Radioactive Element

Question 17

Synthetic Elements help scientists understand _____

Accepted Answer

The forces holding the nucleus together

Question 18

How much bigger is the electron cloud than the nucleus?

Accepted Answer

100,000

Question 19

Elements on the Periodic Table are organized by ____

Accepted Answer

Increasing atomic number

Question 20

Electrons are in the

Accepted Answer

Electron Cloud

Question 21

The _____ do not naturally combine with other elements to form compounds

Accepted Answer

Noble Gases

Question 22

What do the dots represent on a Dot Diagram?

Accepted Answer

Number of electrons in the valence shell

Question 23

Neutrons have a _____ charge

Accepted Answer

Neutral

Question 24

Which of the following is the correct chemical symbol for Oxygen?

Accepted Answer

O

Question 25

_____ is the only nonmetal on the left side of the periodic table

Accepted Answer

Hydrogen

Question 26

The Iron Triad, found in the _____, are the only elements known to make a magnetic field.

Accepted Answer

Transition Metals

Question 27

Metalloids are where the ______ are found. They conduct electricity , but also act like an insulator.

Accepted Answer

Semiconductors

Question 28

Found in Boron Group, lightweight, non-corrosive, good conductor, most abundant element in Earth's crust.

Accepted Answer

Aluminum

Question 29

Carbon-12 and Carbon-14 are two forms of Carbon ______________

Accepted Answer

different number of neutrons, called isotopes

Question 30

If an atom has 5 protons, how many electrons will it have?

Accepted Answer

5

Question 31

The atomic number of Beryllium is 4, and the Atomic mass is 9.0122. How many neutrons are in Beryllium?

Accepted Answer

5

Question 32

Boron is in Group 13. How many dots would be in its Electron Dot Diagram?

Accepted Answer

3

Atoms and the Periodic Table

Questions 32

Atoms and the Periodic Table

Questions 32