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kaheart [24]
4 years ago
11

Ionising radiation is emitted all the time by __________ sources. What one word completes the sentence?

Chemistry
1 answer:
sveticcg [70]4 years ago
8 0

Answer:Radioactive substances give out radiation all of the time. There are three types of nuclear radiation: alpha, beta and gamma. Alpha is the least penetrating, while gamma is the most penetrating. Nonetheless, all three are ionising radiation: they can knock electrons out of atoms and form charged particles.

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The correct answer is higher melting point, bound by metal metal bonds.

While alkali metals only have one valence electron, alkaline earth metals have two. Metal to metal connections hold the metals together. Alkaline earth metals have a stronger metallic connection and a higher melting point because they have two valence electrons.

the characteristics that Group 2 metals excel in over Group 1 metals.

  • Initial Ionization Potential
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As a result, group 2 metals have stronger metallic bonding, which leads to increased cohesive energy and compact atom packing. This explains why group 2 metals are harder and have higher melting and boiling temperatures than group 1 metals.

To learn more about  Group 2A(2) refer the link:

brainly.com/question/9431096

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2 years ago
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U must burn it
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1,3433

4 0
3 years ago
Consider the bonds in iron(III) oxide. Are the bonds more ionic or more covalent?
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<span>the bonds in iron(III) oxide are more ionic</span>
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Latitude and Temperature

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