“Don't blow off another's candle for it won't make yours shine brighter.” ― Jaachynma N.E. Agu, The Prince and the Pauper
1 (a) Complete the following equations.(b) An element Y has three naturally occurring isotopes with isotopic masses and relativeabundances as shown below:Calculate the average atomic mass of Y.2. Complete the
“Physics is mathematical not because we know so much about the physical world, but because we know so little; it is only its mathematical properties that we can discover.” ―
In physics, mathematics, and related fields, a wave is a propagating dynamic disturbance (change from equilibrium) of one or more quantities. Waves can be periodic, in which case those quantities
The excretory system is a passive biological system that removes excess, unnecessary materials from the body fluids of an organism, so as to help maintain internal chemical homeostasis and prevent
1.What is the definition of an acid according to the Arrhenius theory? a) A substance that donates protons (H⁺ ions) in aqueous solution b) A substance that accepts protons (H⁺
Physicists have come to realize that mathematics, when used with sufficient care, is a proven pathway to truth.
1. Study the table below showing Africa’s population growth between 1940 and 2000 and answer questions which follow. (a) Draw a line graph to show the information contained in the
“Reflection is the lamp of the heart. If it departs, the heart will have no light.” ― Imam Al-Haddad
“Spacetime tells matter how to move; matter tells spacetime how to curve.” ― John Archibald Wheeler, Geons, Black Holes and Quantum Foam: A Life in Physics
“The only way of discovering the limits of the possible is to venture a little way past them into the impossible.” ― Arthur C. Clarke
A permanent magnet is made from metal and an electromagnet uses a metal core. Which metal is suitable for each of these purposes?
A reactivity series (or activity series) is an empirical, calculated, and structurally analytical progression of a series of metals, arranged by their "reactivity" from highest to lowest.
1.What is the study of astrophysics primarily concerned with? a. The physics of Earth's atmosphere b. The physics of celestial bodies and the universe c. The physics of electromagnetic waves
“When in doubt about who's to blame. Blame the English.” ― Craig Ferguson
An atom is a particle that consists of a nucleus of protons and neutrons surrounded by a cloud of electrons. The atom is the basic particle of the chemical elements,
“First say to yourself what you would be; and then do what you have to do.” ― Epictetus
Evaluate the limit as x approaches negative infinity of the function f(x) = (2x^3 - 4x^2 + 3) / (5x^3 + 2).
“Whatever the mind can conceive and believe, it can achieve.” ― Napoleon Hill, Think and Grow Rich: A Black Choice