Elements and compounds | Atoms and elements | Periodic table | Periodic table and compounds | Chemistry vocabulary |
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What is copper?
malleable, used as an antibacterial and identified by 29
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What is a cation?
Formed when an element loses an electron
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Who is Dmitri Mendeleev?
This scientist came up with the brilliant idea to arrange the periodic table into groups and rows
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What are periods?
horizontal rows in the periodic table
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What is formed when an element gains an electron
Anion
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What is sulfide anion?
2 ions of Aluminum combine with 3 ions of this (Clue: atomic number 16)
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What is Nitrogen?
The most abundant element on the earth's surface
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Bromine
Protons = 35; neutrons = 45, electrons = 35. Who am I?
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What has shiny luster, good conductivity, and also is malleable? It also loses electron(s)
Metals
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What is the ability of metals to be drawn into thin wires?
Ductile
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What is Dinitrogen pentoxide?
N2O5
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What is an electron?
Metals like to lose it, while non-metals are looking to gain it...
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What is gadolinum?
atomic number of 64 and a mass number of 157
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What is sodium carbonate?
Na2CO3
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What are alkali metals?
Sodium belongs to Group IA...These elements in group IA are .........
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What are halogens?
Magnesium needs to combine with 2 ions of all elements from this group
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what is the nucleus?
Is positively charged
Is very dense Contains nearly all of the atom's mass |
What is sodium?
A metal which reacts vigorously with water, has 2 electrons in first orbit and one electron in the third orbit
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What are compounds containing a metal and non-metal called?
Ionic compounds
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What is sodium phosphate?
Na3PO4
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What are CHNOPS?
A group of elements present in the human body go by this name...Hint: remember the video we saw about elements?
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What are electrons located in the outermost orbit of an atom called?
Valence electrons
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What are compounds?
Elements combine in fixed proportions to form ---------------------
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What are compounds containing two non-metals called?
covalent compounds
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What is the Al2(SO4)3?
Formula when Al combines with sulfate ions?
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