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Periodic Table of Elements Flashcards | StudBud
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Periodic Table of Elements
Periodic Table of Elements
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Review of the Period Table of Elements
Flashcards
10 cards
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Practice quiz
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Questions
10
Answers
1
All atoms contain at least 1 proton.
true
false
2
If you wanted to find a sample of fermium (atomic # 100) where would you look?
deep in the Earth
in outer space
deep in the atmosphere
in a science lab
3
What do the elements highlighted in red have in common?
same number of electrons
same number of nuetrons
same number of protons
same number of energy levels
4
Carbon has an atomic number of 6. What can you conclude about carbon from this fact?
it has 6 protons
it is in group 6
it has 6 neutrons
it is in period 6
5
What characteristics are shared by all alkali metals and alkaline earth metals?
form alkaline solutions when mixed with water
do not react with water at all
strong and shiny
6
To become positively charged an atom must:
lose a proton
gain a proton
gain an electron
lose an electron
7
What is one key physical difference between transition metals and poor metals?
charge
reactivity
atomic mass
hardness
8
What do the orange and yellow spheres represent in this model of an atomic nucleus?
protons and electrons
atoms and molecules
electrons and neutrons
protons and neutrons
9
Periods form horizontal rows, groups form vertical columns
true
false
10
Noble gases are sometimes called "inert gases." What does the word "inert" mean?
refers to gases
refers to substances that easily lose electrons
refers to substances that do not react with other substances
refers to substances that have strong charges
