Periodic Table of the Elements Flashcards Preview

9th Earth Science A-G > Periodic Table of the Elements > Flashcards

Flashcards in Periodic Table of the Elements Deck (16):
1

The mass number of an element is the sum of its ____ and _____

protons and neutrons

2

What is the number of electrons in nitrogen?

7

3

A proton is

A positively charged particle

4

Sugar water would be an example of

a mixture

5

Which particles are found in the nucleus of an atom?

protons, neutrons

6

The atomic number is equal to

the number of electrons, the number of protons

7

What is the number of protons in carbon?

6

8

Column 1 elements like to form ___ by losing one of their electrons.

ions

9

The defining unit of any element, or the unit that lets you know what element a substance is, is the ____________________.

proton

10

The smallest particle of an element that still has all the properties of the element is called __________________.

an atom

11

According to the periodic table, the last column (18) are called the ________ ___________

noble gases

12

What group does carbon belong in?

non-metals

13

According to the periodic table, the first column (1) are mostly

alkali metals

14

According to the periodic table, the elements in the second column (2) are called the

alkaline metals

15

Fluorine would most likely ____________

gain an electron, bond with sodium, bond to itself

16

What is so special about the noble gases?

they are stable and have all their outer electron levels full with valence electrons