Organizing the Elements • Understanding Main Ideas
1. atomic
The diagram at
the right is a square from the periodic
-2. chemio
table. Label the four facts shown about each element.
3. element
Answer the following on a separate sheet of paper,
-4. a tomar
5. What does each of the facts shown above tell you about the element?
6. In what order did Mendeleev arrange the elements in the periodic table?
7. What do elements in the same column in the periodic table have in common?
8. What happens to the number of valence electrons as you move from left to
right in the periodic table?
9. What can you predict about an element from its position in the periodic
table?
Building Vocabulary

the actual answer was 160934

you know that this symptom is misleading and quite often is related to: heart attack

a heart attack is a condition that occurs when the blood flow that transports oxygen to the heart muscle is damaged or cut off completely. the coronary arteries that supply the heart muscle with blood flow can be blocked by the accumulation of plaque. also, when the plaque within the heart artery breaks, it creates blood clot that can also hinder the blood flow. men that are over 45years of age and women that are over 55years of age are at risk of having a heart attack. the symptoms of a heart attack include chest discomfort, chest pain, coughing, and shortness of breath.