A) It is composed of protons and electrons B) It is composed of protons and neutrons C) It is composed of protons only D) It is composed of electrons and neutrons
A) 0 B) - C) +
A) have an equal number of electrons and protons. B) have neutrons in their nuclei. C) have an equal number of charged and noncharged particles. D) have an equal number of neutrons and protons.
A) burning wood B) digesting food C) breaking a pencil D) cooking eggs
A) Atomic Number B) Discovery Date C) Atomic Mass D) Alphabetical Order
A) Neutrons B) Protons and Neutrons C) Valence Electrons D) Protons
A) pH B) color C) shape D) density
A) eight protons in its nucleus. B) eight neutrons in its nucleus. C) a total of eight protons and neutrons. D) a total of eight neutrons and electrons.
A) neutrons. B) protons. C) protons plus the number of electrons. D) protons plus the number of neutrons.
A) They form negative ions with a -1 charge. B) They are extremely nonreactive. C) They are usually gases. D) They are located in the left-most column of the periodic table.
A) They are highly reactive with both metals and nonmetals. B) a basically nonreactive. C) They form compounds with very bright colors. D) They are extremely rare in nature.
A) are all metals B) are nonreactive C) exist in all three states of matter in normal conditions D) have only 1 valence electron
A) In the middle column of the periodic table. B) On the right side. C) On the left-most side. D) In the bottom rows.
A) location; ionization B) number; mass C) color; smell D) mass;number
A) 12 neutrons B) 8 neutrons C) 6 neutrons D) 3 neutrons
A) Alkali Metals B) Alkaline Earth C) Halogens D) Noble Gases
A) Akali B) Halogens C) Noble Gases D) Alkaline Earth
A) Alkaline Earth B) Alkali C) Halogens D) Noble Gases
A) Alkali B) Halogens C) Alkaline Earth D) Noble Gases
A) 2 B) 4 C) 5 D) 3
A) metalloids B) nonmetals C) metals
A) Einstein B) Mendleev C) Ms. Watson D) Mosely
A) alphabetically B) by date discovered C) According to atomic mass D) according to atomic number
A) Atomic Number-Atomic Mass B) Atomic Number C) Atomic Mass D) Atomic Mass-Atomic Number
A) Atomic Mass B) Atomic Number C) Atomic Mass-Atomic Number D) Atomic Number-Atomic mass
A) electrons B) nucleus C) protons D) neutrons
A) color B) reactivity C) flammability D) pH
A) breaking B) burning C) crushing D) adding dye
A) only can be seen in a few elements B) can be observed with senses C) can only be observed by changing the substance D) vary within the same element
A) vary within the same element B) only can be observed in a few elements C) cn only be observed by changing the substance D) can be observes with the senses
A) physical B) chemical
A) chemical B) physical
A) it will float B) it will sink C) not enough information
A) kilograms B) meters C) hours D) grams
A) nethier accurate or precise B) accurate C) both accurate and precise D) precise
A) 1/1,000 B) 100 C) 1,000 D) 1/100
A) independent B) constant C) dependent D) control
A) fertilizer B) length of study C) growth D) strawberries
A) control B) dependent C) constant D) independent
A) stirring rod B) beaker C) graduated cylinder D) tongs
A) 13 B) 0 C) 16 D) 10
A) 19 B) 17 C) 35 D) 18
A) 10 B) 12 C) 26 D) 14
A) 10 B) 2 C) 18 D) 8
A) 0.57 amu B) 5.7 amu C) 57 amu D) 115 amu
A) 4 B) 1 C) 3 D) 2
A) Bohr B) Rutherford C) Dalton D) Thomson
A) Thomson B) Chadwick C) Rutherford D) Democritus
A) Rutherford B) Shrodinger and Heisenburg C) Bohr D) Thomson
A) Bohr B) Rutherford C) Thomson D) Dalton
A) All matter is made of atoms. B) Atoms combine to form compounds in simple whole number ratios. C) Atoms of the same element are exactly alike.
A) Rutherford B) Chadwick C) Bohr D) Dalton
A) Electrons are positively charged. B) The mass of electrons is much smaller than the mass of protons and neutrons. C) The mass of protons and neutrons are much smaller than the mass of the electron. D) Electron number never changes.
A) negative charge B) smaller mass C) larger mass D) positive charge
A) electrons B) neutrons C) protons D) positrons
A) 3g/ml B) 0.33g/ml C) 72g/ml D) 1.33g/ml
A) 17.5g B) 24g C) 0.094g D) 10.7g |