Answer the Q\'s in the spaces provided. Use the back page if necessary. 1. Give

Question

Answer the Q's in the spaces provided. Use the back page if necessary. 1. Give the name and symbol of: a) an alkali metal: b) an alkaline earth metal: c) a halogen d) a noble metal e) a transition metal f) a lanthanide element g) an actinide element: h) an essential element: i) a man-made element: A chemist finds that 30.82 g of nitrogen will react with 17.60, 35.20, 70.40 or 88.00 g of oxygen. a) calculate the mass of oxygen per gram of nitrogen in each compound and show that the results are consistent with the Law of Multiple Proportions. (Please answer this question on the back) Suppose a beam of electrons travel through an electric field as shown below: + rightarrow beam of electrons. a) in which direction will the beam move? Ans.: b) why? Ans.: c) What would happen if the beam consisted of protons, neutrons or a particles? Ans.: d) why?

Explanation / Answer

1) a) Sodium (Na)

    b) Magnesium (Mg)

    c) Chlorine (Cl)

    d) Platinum (Pt)

    e) Chromium (Cr)

    f) Cerium (Ce)

    g) Thorium (Th)

    h) Iron

    i) Curium (Cm)

   

  

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

---