a substance that is made up of one type of atom

Atomic Structure and Periodic Table Revision Flashcards

1

the negatively charged particle in an atom is called

proton
electron
nucleus
neutron

2

the nucleus contains

neutrons and electrons
only protons
protons and neutrons
only neutrons

3

Elements have the same number of outer electrons as what?

their period number
their group number
their number of neutrons
the date the were discovered

4

Which is the only liquid group 7 element?

iodine
fluorine
bromine
chlorine

5

going down the group, group 7 elements get

more reactive
less reactive

6

A substance that contains two or more types of atom joined together is called

an element
a compound
a mixture
an atom

7

What is the name of the Scientist who developed the modern periodic table?

Mendeleev
Mendel
Darwin
Dalton

8

The elements on the left of the periodic table are all

non-metals
gases
liquids
metals

9

the first energy level of an atom holds how many electrons?

6
8
4
2

10

How are electrons arranged in an atom?

next to the protons
in the nucleus
in the middle
in energy levels or shells

11

What is an element?

another name for an atom
two or more different atoms joined together
different types of atom not joined together
a substance that is made up of one type of atom

12

Group 1 elements are very reactive because

they can float on water
they need to gain 7 electrons
they are metals
they easily loose one electron

13

group 1 elements are also called

noble gases
alkali metals
transition elements
halogens

14

going down the group alkali metals get

more reactive
less reactive

15

Group 0 elements are unreactive because

they easily lose electrons
they have full outer shells
they are gases
they easily gain electrons

Atomic Structure and Periodic Table Revision

Questions 15

Atomic Structure and Periodic Table Revision

Questions 15