Explanation: If this is right brainliest it for me
Any tips for Chemistry Practical? Im taking my Olevel practical tmr. Anyone?
re-do test if needed
if you're done early for the practical, check your answers back to the solutions. If feel the need to re-check if the answers are somewhat correct, re-do the steps :) all the best!
Which scenario would result in the fastest rate of dissolution? A) A sugar cube in hot water.
B) A sugar cube in cool water.
C) Powdered sugar in hot water.
D) Powdered sugar in cool water
The Correct Answer is C
Which is of these nonmetals are more reactive— bromine or krypton? Explain.
The non metal which is more reactive is bromine
Bromine is in group 17 ( group of halogens) which has one unfilled spot in its valence shell.
Krypton is group 18 ( groups of noble gases) which do not react with other element in normal condition due to their filled valence electron.
Therefore since bromine has unfilled valence shell it is more reactive than krypton.
If there is a reaction mixture in an organic solvent that contains an organic acid, an organic base, neutral organic compounds, and base containing impurities, what is in the aqueous layer after complete treatment with naoh(aq)?
Living things change over time in response to changes in their environment
What is the atomic number of pt-175 after it undergoes alpha decay
The atomic number of pt-175 after it undergoes alpha decay is 76
Radioactive decay is defined as the splitting of heavy unstable isotopes to two or more stable particles. The three main types of radioactive decay are
An Alpha decay occurs when the radioactive nucleus releases a helium ion (alpha particle) leaving the daughter nucleus with a reduced atomic number by 2 and reduced atomic mass by 4.
An example is the alpha decay below
¹⁷⁵Pt₇₈ ----> ¹⁷¹ Os₇₆ + ⁴ He₂
Here,Platinum 175 with atomic number 78 undergoes alpha decay to produce Osmium 171 with atomic number 76.
See related answer here:brainly.com/question/5876246
Alpha decay is one of the most basic forms of radioactive decay. It has an atomic mass of 4 and a proton number of two.
Undergoing an alpha decay will decrease the atomic mass by four and the atomic number by two.
In this particular question, we are particular about the atomic number. The atom has an atomic number of 78. So taking 2 off this gives 76
Can depletion to the ozone cause changes to the biochemical cycles
Can sodium bond with potassium?
What is the name of the compound Cd(MnOÁ)¿?