Part 2 (30 points)
The Chemistry teachers at Durango High School discovered two new elements Below are the
boxes that will be added to the periodic table based on their discoveries
120
Du
Durandium
317
148
BZ
Blazerium
379
1. How many protons are in durandium?
2. How many neutrons are in durandium?
3. How many electrons are in a neutral durandium?
4. How many protons are in blazerium?
5. How many neutrons in blazerium?
6. How many electrons are in a neutral blazerium?
Durandium is an alkali earth metal and blazerium is a halogen.
7. What type of bonding would these elements have I f they are bonded together?
8. How many valence electrons are in durandium durandium?
9. How many valence electrons are in blazerium?
Answers: 3
Chemistry, 22.06.2019 12:00
An atom of which element reacts with an atom of hydrogen to form a bond with the greatest degree of polarity ?
Answers: 1
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What causes different colors to appear in the sky? the absorption of light by air molecules the reflection of light by bodies of water the greenhouse effect in earth's atmosphere the scattering and reflection of light by dust particles
Answers: 2
Chemistry, 23.06.2019 02:30
When the ionic compound nabr dissolves in water, br– ions are pulled into solution by the attraction between what two particles? a. the na+ and br– ions b. the na+ ion and the negative end of a water molecule c. the br– ion and the positive end of a water molecule d. the br– ion and the negative end of a water molecule
Answers: 1
Chemistry, 23.06.2019 05:00
In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 4.20 mol fe and 6.70 mol nio(oh) react?
Answers: 3
Part 2 (30 points)
The Chemistry teachers at Durango High School discovered two new elements Below...
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