(04.06 LC) Which of the following is true for a nuclear reaction?

(02.06 LC) A substance is highly malleable and has a shiny luster. Which of the following best explains the probable position of the substance in the periodic table?

(04.03 MC) Part 1: Name the type of chemical reaction that occurs when aluminum (Al) reacts with copper nitrate (Cu(NO3)2).Part 2: Explain why aluminum does not react with potassium nitrate (KNO3) although it reacts with copper nitrate.

(02.02 MC) Two friends at different locations want to communicate with each other by sending low energy signals. Which of the following methods can they use to communicate?

(02.04 MC) The table compares the number of electrons in two unknown neutral atoms. Comparison of Electrons Atom Number of Electrons A 2 D 10 Use this information to determine the number of valence electrons in the atoms. Which of the following correctly compares the stability of the two atoms?

(02.06 LC) Which of the following groups of elements are likely to have elements in the three states of matter?

(02.01 HC) The table shows the number of charged subatomic particles in an ion. Charged Particles Charge on Particle Number of Particles Positive 12 Negative 10 A positively charged substance is brought near the ion. What will most likely happen and why?

(04.03 LC) Which of the following steps can be used to identify an acid-base reaction?

(04.04 LC) Which of the following is true for combustion reactions?

(04.02 MC) Jane made this picture to represent a chemical reaction:Which of the following statements best explains the type of chemical reaction represented by Jane’s picture?