Isotopes Warm-up Write the hyphen notation and nuclear symbol for the isotopes below. 12 p+ 12 no 12 p+ 14 no 2. A atom has 26 protons and 30 neutrons.

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Presentation transcript:

Isotopes Warm-up Write the hyphen notation and nuclear symbol for the isotopes below. 12 p+ 12 no 12 p+ 14 no 2. A atom has 26 protons and 30 neutrons in its nucleus. What are the hyphen notation and nuclear symbol for this element? 3. A atom has 26 protons and 31 neutrons in its nucleus. What are the hyphen notation and nuclear symbol for this element? 4. What are the atoms called in Questions #2 and #3?

Isotopes Warm-up Mg Mg Magnesium-24 Magnesium-26 12 24 12 26 Write the hyphen notation and nuclear symbol for the isotopes below. 12 p+ 12 no 12 p+ 14 no Magnesium-24 Magnesium-26 Mg 12 24 Mg 12 26

Isotopes Warm-up Fe Fe Iron-56 56 26 Iron-57 57 26 isotopes 2. A atom has 26 protons and 30 neutrons in its nucleus. What are the hyphen notation and nuclear symbol for this element? Iron-56 Fe 26 56 3. A atom has 26 protons and 31 neutrons in its nucleus. What are the hyphen notation and nuclear symbol for this element? Iron-57 Fe 26 57 4. What are the atoms called in Questions #2 and #3? isotopes

Important Information Unit 4: Splitting & Unstable Matter: Atoms & Nuclear Chemistry Quiz on 10/8 (A) or 10/9 (B) Unit 4: Splitting & Unstable Matter: Atoms & Nuclear Chemistry Test on 10/10 (A) or 10/11 (B) Homework: Radioactivity HW (due on 10/4 (A) or 10/7 (B) All late work is due by Friday, 10/4 by 4 pm. NO EXCEPTIONS! All tests and retest are in the Co-op. Please take as soon as possible. Must be taken by Friday, 10/4 by 4 pm.