History
2009
When was the most recent element found?
Metals
What is the biggest group in the periodic table?
A column of elements that share characteristics
What is a group?
Is the bond covalent or ionic?
Lithium - .98
Fluoride - 3.98
Ionic
Herbivores
HerbivoresWhat animals only eat plants?
Uranium
Which element wasn't on the first draft of the periodic table?
Non-metals
What group looks like a stair case?
Alkali metals
Which groups elements are soft, shiny and good conductors?
Is the bond covalent or ionic?
Hydrogen - 2.2
Fluoride - 3.98
Covalent
An invertebrate
What animals do not have a spinal cord?
He discovered that it should be arranged by the atomic number and to leave space for new elements
What did Dmitri Mendeleev discover about the periodic table?
The atomic number
What increases when moving left to right on the periodic table?
You can determine its symbol atomic number, atomic mass, and scientific name.
What can you determine about a element when looking at the periodic table?
Is the bond covalent or ionic?
Sodium - 0.93
Chloride - 3.16
Ionic
False – All birds have feathers but some of them cannot fly, like a penguin.
True or False – all birds have feathers and can fly?
65
How many elements were on the first periodic table?
The atomic mass
What decreases when moving top to bottom on the periodic table?
7
How many periods are there?
Is the bond covalent or ionic?
Potassium - 0.82
Bromide - 2.96
Ionic
They are vertebrates
Monkeys, snakes, fish, birds and toads are all part of which group?
Henry Mosely
Who discovered that the periodic table should be organized by atomic mass not atomic number?
Yes
Does the electronegativity decrease or increase when moving down the periodic table?
\No, you cant find every element everyday.
Can you find every element on Earth?
Is the bond covalent or ionic?
Chlorine - 3.16
Hydrogen - 2.20
Covalent
A platypus
What animal has a duck-bill, lays eggs although it is a mammal and has a poisonous spur on its foot?