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elixir [45]
3 years ago
12

A one or two letter abbreviation for a chemical element is called

Chemistry
2 answers:
Harrizon [31]3 years ago
7 0

chemical symbol

hope this helps

slega [8]3 years ago
5 0

Answer:

A symbol

Explanation:

<em>A symbol is an abbreviation</em> for a chemical element. These symbols comprise one or two letters, the first letter being a capital letter. These symbols could either be of Latin, Greek or English origin, depending on when the element was discovered.

Symbols for elements having origins other than English were discovered much earlier while those of English origin were more recently discovered. Examples of symbols for chemical elements include <em>NI for Nickel, O for oxygen, LI for lithium and Pb for Lead.</em>

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kakasveta [241]
The atomic number of Francium is 87.
4 0
3 years ago
Using the trend for chlorine, create a rule for naming halogen oxyacids.
Vlada [557]
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example:

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7 0
3 years ago
15. In complete sentences, describe how electronegativity is related to polarity.
Sergeu [11.5K]

Explanation:

The absolute value of the difference in electronegativity (ΔEN) of two bonded atoms provides a rough measure of the polarity to be expected in the bond and, thus, the bond type. When the difference is very small or zero, the bond is covalent and nonpolar. When it is large, the bond is polar covalent or ionic.

Electrons in a polar covalent bond are shifted toward the more electronegative atom; thus, the more electronegative atom is the one with the partial negative charge. The greater the difference in electronegativity, the more polarized the electron distribution and the larger the partial charges of the atoms.

5 0
3 years ago
Read 2 more answers
Complete the isotope symbol with mass numbers of 35
amid [387]
The answer would be
35 ============= > A CL = ============> CL 17 === = ======== >Z 
37 CL 17 Isotopes mean A different and equal Z.
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5 0
3 years ago
Read 2 more answers
Assume that the half-life of an M&amp;M is 15 seconds A. you start with M&amp; M's, how many would be left unchanged after 1 min
Nata [24]

Answer:

See below

Explanation:

1 minute is   4 halflives    ( because  4 x 15 sec = 1 minute)

(1/2)^4 = 1/16

you will have 1/16 as many M&M as you started

7 0
2 years ago
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