B. 12
Chemistry, 26.05.2021 22:50 evere11605
If an atomic number of an element is 24, the number of protons the Atom has is
A. 24
B. 12
C. 189
D.51.996
Answers: 1
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As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit
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Answer asap need it by wednesday morning carry out the following calculations on ph and ka of from data. i. calculate the ph of 0.02m hcl ii. calculate the ph of 0.036m naoh iii. calculate the ph of 0.36m ca(oh)2 iv. calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 v. calculate ka for weak acid ha which has a ph of 3.65 at 0.30m concentration vi. calculate the ka of a solution made by mixing 15.0 cm3 0.2m ha and 60.0 cm3 0.31m a-. [ph= 3.80] vii. calculate the ph of a solution made by mixing 15.0 cm3 0.1m naoh and 35.0 cm3 0.2m hcooh. [ka = 1.82 x 10-4 m]
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The equation picture below shows which type of nuclear reaction u 235 + n x e 134 + sr 100 + 2n
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If an atomic number of an element is 24, the number of protons the Atom has is
A. 24
B. 12
B. 12
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