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Firlakuza [10]
3 years ago
14

What are two physical characteristics of ionic compounds?

Chemistry
1 answer:
Lorico [155]3 years ago
3 0

Answer:

ionic compounds are solids, possess high melting points, conduct electricity, are hard but brittle and are formed from an ionic bond between one metal and one nonmetal.

Explanation:

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What do all atoms of the same element have
nordsb [41]

Answer:

All atoms of the same element have always have the same amount of protons.

Explanation:

Atoms of the same element have always have the same amount of protons but not always the same electrons and neutrons. If an atom gains or loses one of its valance electrons, the electrons on the outermost shell, then it becomes ionized. Also not all atoms of the same element have the same amount of neutron. This is called an isotope. A good example would be Carbon 13. Normally, Carbon atoms have an atomic mass of 12 AMU or 12 atomic mass units. However, Carbon atoms have an atomic mass of 13 AMU, consisting of 7 neutrons instead of 6 neutrons. So the only thing that all atoms of the same element have in common is the amount of protons.

7 0
3 years ago
What makes alkali metals a family?​
navik [9.2K]

Answer:

The metals in this group are lithium, sodium, potassium, rubidium, cesium, and francium. The gas hydrogen is also put in this group because it shares similar reactivity with the alkali metals.

I don't know if this is what you wanted or not sorry if it isn't

3 0
3 years ago
Which is the scientific notation for 8,002.5 seg?
Blizzard [7]
8,002.5 would be written as 
8.0025 x 10 and 3
because you move the decimal place 3 times to the left.
7 0
3 years ago
HNO3 is an Arrhenius ______________ and increases the concentration of __________ when added to water.
poizon [28]
HNO3 and H2SO4 are Arrhenius acids which will increase the concentration of H+ when dissolved in water.

KOH and Ca(OH)2 are Arrhenius bases that increase the concentration of OH- when dissociated in water.

4 0
3 years ago
Earth’s outermost layer is separated into a dozen or more large and small slabs, called _______. A. continental crust B. tectoni
romanna [79]

Answer:

Tectonic Plates

Explanation:

8 0
3 years ago
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