What factors affect how strongly an atom is attracted to its electrons?

Let $f$ be a one-to-one function from $X=\{1,2,...,n\}$ onto $X$. Let $f^k=f\circ f\circ f\circ f$ denote the $k$-fold composition of $f$ with itself. Show that there are distinct positive integers $i$ and $j$ such that $f^i(x)=f^j(x)$ for all $x\in X$. Show that for some positive integer $k$, $f^k(x)=x$ for all $x\in X$.

Sarah, David, and Ali are friends in science class. The teacher randomly chooses two of the 12 students in the class to work together on a project. What is the probability that two of these three friends will be chosen?

Explain why the pH of a solution containing both acetic acid and sodium acetate is higher than that of a solution containing the same concentration of acetic acid alone.

Choose the word or words that best complete the sentence. People who are descendants of a region's first inhabitants are ________ people. A. ruling B. religious C. indigenous D. conquering

The probability that it will rain today is 0.2. If it rains today, the probability that it will rain tomorrow is 0.15. If it is fine today then the probability that it will be fine tomorrow is 0.9. a. Find the probability that at least one day will be fine. b. Given that at least one day is fine, what was the probability that it was today? c. Given that at least one day is fine, what is the probability that both are fine?

For each of the following precipitation reactions, complete and balance the equation, indicating clearly which product is the precipitate.

b. $\text{CoCl}_3(aq) +\text{NaOH}(aq) \rightarrow$

Tom is 12 cm taller than June. June is 5 cm taller than Cristal. If Tom, June, and Cristal stood on top of each other's heads, they would reach a height of 4.12 m altogether.

How tall is Cristal?

What information is given in a chemical formula ?

Write each rational number as a decimal. State whether the decimal is terminating or repeating. If the decimal repeats, state the block of digits that repeats. -1/6

/hat is the difference between delivery cycle time and throughput ti.me? What four elements make up throughput time? What elements of throughput time are value-added and what elements are non-value-added?

Escribe C (cierto) si la frase es correcta y F (falso) si es incorrecta: A Tomás le gustan las hamburguesas y la pizza.

What is the difference between tangential and radial acceleration for a point on a rotating body?

$$9x^2-1=0$$