A) It is composed of protons and electrons B) It is composed of protons only C) It is composed of electrons and neutrons D) It is composed of protons and neutrons
A) 0 B) + C) -
A) have an equal number of charged and noncharged particles. B) have an equal number of electrons and protons. C) have an equal number of neutrons and protons. D) have neutrons in their nuclei.
A) cooking eggs B) breaking a pencil C) burning wood D) digesting food
A) Alphabetical Order B) Discovery Date C) Atomic Number D) Atomic Mass
A) Protons and Neutrons B) Neutrons C) Protons D) Valence Electrons
A) density B) shape C) color D) pH
A) a total of eight protons and neutrons. B) eight protons in its nucleus. C) eight neutrons in its nucleus. D) a total of eight neutrons and electrons.
A) neutrons. B) protons plus the number of neutrons. C) protons. D) protons plus the number of electrons.
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 are extremely rare in nature. B) a basically nonreactive. C) They form compounds with very bright colors. D) They are highly reactive with both metals and nonmetals.
A) have only 1 valence electron B) exist in all three states of matter in normal conditions C) are all metals D) are nonreactive
A) On the left-most side. B) In the middle column of the periodic table. C) On the right side. D) In the bottom rows.
A) mass;number B) color; smell C) location; ionization D) number; mass
A) 6 neutrons B) 12 neutrons C) 3 neutrons D) 8 neutrons
A) Alkaline Earth B) Halogens C) Noble Gases D) Alkaline Metals
A) Akali B) Noble Gases C) Alkaline Earth D) Halogens
A) Alkaline Earth B) Alkali C) Noble Gases D) Halogens
A) Alkaline Earth B) Halogens C) Alkali D) Noble Gases
A) 2 B) 4 C) 3 D) 5
A) nonmetals B) metalloids C) metals
A) Mendleev B) Mosely C) Einstein D) Ms. Watson
A) According to atomic mass B) by date discovered C) according to atomic number D) alphabetically
A) Atomic Mass-Atomic Number B) Atomic Number-Atomic Mass C) Atomic Number D) Atomic Mass
A) Atomic Number B) Atomic Number-Atomic mass C) Atomic Mass D) Atomic Mass-Atomic Number
A) neutrons B) nucleus C) protons D) electrons
A) pH B) flammability C) reactivity D) color
A) shape B) texture C) pH D) density
A) breaking B) burning C) crushing D) adding dye
A) precipitate forming B) rusting C) breaking D) burning
A) vary within the same element B) can only be observed by changing the substance C) can be observed with senses 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) it will sink C) not enough information
A) liters B) meters C) kelvin D) second
A) kilograms B) meters C) hours D) grams
A) precise B) both accurate and precise C) nethier accurate or precise D) accurate
A) 100 B) 1/100 C) 1/1,000 D) 1,000
A) independent B) control C) constant D) dependent
A) growth B) strawberries C) length of study D) fertilizer
A) 2,500m B) 0.0025m
A) 16.5g B) 1.65g
A) 9.470x102 B) 9.470x10-2
A) 4.2x10-3 B) 4.2x103
A) 0.0000875 B) 875,000
A) 63,400 B) 0.00634
A) constant B) control C) dependent D) independent
A) tongs B) beaker C) graduated cylinder D) stirring rod
A) 10 B) 13 C) 16 D) 0
A) 19 B) 18 C) 17 D) 35
A) 12 B) 10 C) 14 D) 26
A) 10 B) 2 C) 18 D) 8
A) 0.57 amu B) 57 amu C) 5.7 amu D) 115 amu
A) 4 B) 3 C) 1 D) 2
A) 0.5 mol B) 89.6 mol C) 2 mol D) 67.2 mol
A) 2.107x1024 atoms B) 1.72x1023 atoms C) 5.8x1022 atoms D) 21.07 atoms
A) 12,144ft B) 2,295ft
A) 33.3kg B) 6.75kg
A) Rutherford B) Bohr C) Dalton D) Thomson
A) Rutherford B) Democritus C) Thomson D) Chadwick
A) Bohr B) Thomson C) Rutherford D) Shrodinger and Heisenburg
A) Dalton B) Thomson C) Bohr D) Rutherford
A) Atoms of the same element are exactly alike. B) All matter is made of atoms. C) Atoms combine to form compounds in simple whole number ratios.
A) Chadwick B) Dalton C) Bohr D) Rutherford
A) The mass of electrons is much smaller than the mass of protons and neutrons. B) The mass of protons and neutrons are much smaller than the mass of the electron. C) Electrons are positively charged. D) Electron number never changes.
A) positive charge B) larger mass C) negative charge D) smaller mass
A) electrons B) neutrons C) positrons D) protons
A) 1.33g/ml B) 0.33g/ml C) 3g/ml D) 72g/ml
A) 17.5g B) 10.7g C) 16g D) 0.094g |