A) It is composed of protons and neutrons B) It is composed of electrons and neutrons C) It is composed of protons and electrons D) It is composed of protons only
A) 0 B) - C) +
A) have an equal number of neutrons and protons. B) have neutrons in their nuclei. C) have an equal number of charged and noncharged particles. D) have an equal number of electrons and protons.
A) digesting food B) breaking a pencil C) cooking eggs D) burning wood
A) Discovery Date B) Atomic Mass C) Atomic Number D) Alphabetical Order
A) Neutrons B) Valence Electrons C) Protons D) Protons and Neutrons
A) shape B) pH C) density D) color
A) a total of eight neutrons and electrons. B) eight neutrons in its nucleus. C) eight protons in its nucleus. D) a total of eight protons and neutrons.
A) protons plus the number of neutrons. B) neutrons. C) protons. D) protons plus the number of electrons.
A) They are located in the left-most column of the periodic table. B) They are usually gases. C) They are extremely nonreactive. D) They form negative ions with a -1 charge.
A) a basically nonreactive. B) They form compounds with very bright colors. C) They are extremely rare in nature. D) They are highly reactive with both metals and nonmetals.
A) are nonreactive B) exist in all three states of matter in normal conditions C) have only 1 valence electron D) are all metals
A) On the left-most side. B) On the right side. C) In the middle column of the periodic table. D) In the bottom rows.
A) mass;number B) location; ionization C) number; mass D) color; smell
A) 12 neutrons B) 8 neutrons C) 6 neutrons D) 3 neutrons
A) Noble Gases B) Halogens C) Alkaline Metals D) Alkaline Earth
A) Akali B) Noble Gases C) Alkaline Earth D) Halogens
A) Alkali B) Alkaline Earth C) Noble Gases D) Halogens
A) Alkaline Earth B) Noble Gases C) Halogens D) Alkali
A) 3 B) 2 C) 4 D) 5
A) metals B) nonmetals C) metalloids
A) Ms. Watson B) Mosely C) Mendleev D) Einstein
A) According to atomic mass B) alphabetically C) according to atomic number D) by date discovered
A) Atomic Number B) Atomic Mass C) Atomic Mass-Atomic Number D) Atomic Number-Atomic Mass
A) Atomic Number B) Atomic Mass C) Atomic Mass-Atomic Number D) Atomic Number-Atomic mass
A) nucleus B) protons C) neutrons D) electrons
A) flammability B) reactivity C) pH D) color
A) texture B) pH C) density D) shape
A) crushing B) adding dye C) breaking D) burning
A) precipitate forming B) rusting C) burning D) breaking
A) vary within the same element B) can be observed with senses C) can only be observed by changing the substance 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 sink B) it will float C) not enough information
A) meters B) liters C) second D) kelvin
A) grams B) meters C) hours D) kilograms
A) nethier accurate or precise B) precise C) accurate D) both accurate and precise
A) 1/1,000 B) 100 C) 1,000 D) 1/100
A) independent B) dependent C) constant D) control
A) length of study B) strawberries C) growth D) fertilizer
A) 0.0025m B) 2,500m
A) 16.5g B) 1.65g
A) 9.470x10-2 B) 9.470x102
A) 4.2x10-3 B) 4.2x103
A) 875,000 B) 0.0000875
A) 63,400 B) 0.00634
A) constant B) independent C) control D) dependent
A) beaker B) tongs C) stirring rod D) graduated cylinder
A) 16 B) 13 C) 0 D) 10
A) 19 B) 35 C) 17 D) 18
A) 12 B) 10 C) 26 D) 14
A) 10 B) 18 C) 2 D) 8
A) 0.57 amu B) 57 amu C) 5.7 amu D) 115 amu
A) 2 B) 3 C) 1 D) 4
A) 2 mol B) 0.5 mol C) 89.6 mol D) 67.2 mol
A) 2.107x1024 atoms B) 5.8x1022 atoms C) 1.72x1023 atoms D) 21.07 atoms
A) 12,144ft B) 2,295ft
A) 33.3kg B) 6.75kg
A) Thomson B) Bohr C) Dalton D) Rutherford
A) Rutherford B) Thomson C) Chadwick D) Democritus
A) Thomson B) Bohr C) Rutherford D) Shrodinger and Heisenburg
A) Dalton B) Thomson C) Bohr D) Rutherford
A) Atoms combine to form compounds in simple whole number ratios. B) All matter is made of atoms. C) Atoms of the same element are exactly alike.
A) Bohr B) Dalton C) Chadwick D) Rutherford
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) negative charge B) larger mass C) positive charge D) smaller mass
A) positrons B) protons C) electrons D) neutrons
A) 0.33g/ml B) 72g/ml C) 3g/ml D) 1.33g/ml
A) 0.094g B) 10.7g C) 16g D) 17.5g |