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