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Q 1/10
Score 0
Which group of elements has some properties of metals and some properties of nonmetals?
60
noble gases
halogens
metalloids
lanthanides
Q 2/10
Score 0
Which element is the most abundant metal in Earth’s crust and has many applications (like bicycle frames & airplanes) because it is strong & lightweight?
60
silicon
titanium
tin
aluminum
10 questions
Q.
Which group of elements has some properties of metals and some properties of nonmetals?
1
60 sec
Q.
Which element is the most abundant metal in Earth’s crust and has many applications (like bicycle frames & airplanes) because it is strong & lightweight?
2
60 sec
Q.
What does this illustration represent?
3
60 sec
Q.
Which metalloid is the 2nd most abundant in Earth's crust, mostly found in sand/rocks/soil and is the main component of semiconductors?
4
60 sec
Q.
Which element is found in ammonia, fertilizers and amino acids?
5
60 sec
Q.
Which element used to be used in paint but isn't anymore due to its toxicity & is now used in car batteries?
6
60 sec
Q.
What is an allotrope?
7
60 sec
Q.
Which element is used to coat other metals, such as steel cans, to prevent corrosion and in the process of making bronze and pewter?
8
60 sec
Q.
Which element is an important part of respiration and exists as diatomic molecule except in the ozone layer?
9
60 sec
Q.
Which element discussed in this section is NOT considered toxic?
