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