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